{"id":"cb_question_bank:31b4c1a7-5ea6-4a6c-b9d8-6ff4bb024c50","source_id":"cb_question_bank","source_item_id":"31b4c1a7-5ea6-4a6c-b9d8-6ff4bb024c50","external_id":null,"ibn":"028955-DC","question_id":"7a5a74a6","program":"SAT","module":"math","domain_code":"H","domain":"Algebra","skill_code":"H.A.","skill":"Linear equations in one variable","difficulty":"M","score_band":5,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"If x is the solution to the equation above, what is the value of x minus 3 ?","stimulus":"3 times, open parenthesis, 2 x minus 6, close parenthesis, minus 11, equals, 4 times, open parenthesis, x minus 3, close parenthesis, plus 6","stimulus_html":"<div class=\"stimulus_reference \">\n        <p class=\"standalone_statement style:1 \">\n          <span class=\"math_expression \">\n            <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/bafa443932f4a1d907bef677dbd97be76d30ef34365ce204e109602a2639e2f3\" alt=\"3 times, open parenthesis, 2 x minus 6, close parenthesis, minus 11, equals, 4 times, open parenthesis, x minus 3, close parenthesis, plus 6\"></span></span>\n        </p>\n      </div>\n","stem_html":"<p class=\"stem_paragraph \">If <span class=\"italic\">x</span> is the solution to the equation above, what is the value of <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d9271eeef645afaa9ab7c8ad232ff3aed82b616a589370d0281402c0c71b76dd\" alt=\"x minus 3\"></span> ?</p>\n","rationale_html":"<p>Choice B is correct. Because 2 is a factor of both <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/3ad1ab966f135e8f8e49df526609c11ae015bcd74fa24b4bb565d5469f14ff35\" alt=\"2 x\"></span> and 6, the expression <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/c1f6a18f0251b3a0d13e3e998d4eb3187dbf87793108ff73c7daedf0124e0616\" alt=\"2 x minus 6\"></span> can be rewritten as <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d7fc14058519a8593dd8c8d775cf91d51b4c5a03bf4db06a448dc8ccb80ecca6\" alt=\"2 times, open parenthesis, x minus 3, close parenthesis\"></span>. Substituting <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d7fc14058519a8593dd8c8d775cf91d51b4c5a03bf4db06a448dc8ccb80ecca6\" alt=\"2 times, open parenthesis, x minus 3, close parenthesis \"></span> for <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6c6933e0b43318ca569104174b3bd166cd8e55bbd41ee712f56de6abc2be401e\" alt=\"2 x minus 6 \"></span> on the left-hand side of the given equation yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/2b44dc11f5c4336cbdf444dd4c42a96e0a86b41fd1e779ded1398ba33c8e9a93\" alt=\"3 times 2, times, open parenthesis, x minus 3, close parenthesis, minus 11, equals, 4 times, open parenthesis, x minus 3, close parenthesis, plus 6\"></span>, or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6694d1a211b37d4e689a1b7e878c3c08434a0dcdd3999044b446145f6304999d\" alt=\"6 times, open parenthesis, x minus 3, close parenthesis, minus 11, equals, 4 times, open parenthesis, x minus 3, close parenthesis, plus 6\"></span>. Subtracting <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/7154b73e072612ad20d10ffc54c4072108ab65beb6377e07b7a09228c107fd08\" alt=\"4 times, open parenthesis, x minus 3, close parenthesis\"></span> from both sides of this equation yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/255d2a2fdf984696d9579ef048a4735729e17d0afc4cfc930ae6ba8cb9c57cf9\" alt=\"2 times, open parenthesis, x minus 3, close parenthesis, minus 11, equals 6\"></span>. Adding 11 to both sides of this equation yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/c5448b6c953e2b35d45ff38c7e69550e304ed2ec4724fb0412ac2499fa7fa2e9\" alt=\"2 times, open parenthesis, x minus 3, close parenthesis, equals 17\"></span>. Dividing both sides of this equation by 2 yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d4e7a5673047b3635e1569326af2619125149a13f94432a11850b00013eba43a\" alt=\"x minus 3, equals, the fraction 17 over 2\"></span>.</p><p>Alternate approach: Distributing 3 to the quantity <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6c6933e0b43318ca569104174b3bd166cd8e55bbd41ee712f56de6abc2be401e\" alt=\"2 x minus 6 \"></span> on the left-hand side of the given equation and distributing 4 to the quantity <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/98df22a3e89ccbc8a723161ecae7036f45aadaa8b76cdc9c39e77891913101ff\" alt=\"x minus 3 \"></span> on the right-hand side yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/71b404495d7b1e7ab0a62db2808924b802eb70056bf25e7dde114010d2bd79ec\" alt=\"6 x minus 18, minus 11, equals, 4 x minus 12, plus 6\"></span>, or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/4281a01c2a46f3b98b74c58c3b6a1ba8d38fb6f15bcf7f9977e1d2b58f21e31e\" alt=\"6 x minus 29, equals, 4 x minus 6\"></span>. Subtracting <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/7adc89e3388ae4198c11d1e3b13996a15a73c08837b3da001c18c677edd5fde3\" alt=\"4 x\"></span> from both sides of this equation yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/cc76d96234c6048db76fce1c9124825b6721aa131abb375ca7f31ecd49dcd15e\" alt=\"2 x minus 29, equals negative 6\"></span>. Adding 29 to both sides of this equation yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/cf7d12f59d795b88adddb23a9f08b267adfc4b561f305a1e7f5006c09747f00f\" alt=\"2 x equals 23\"></span>. Dividing both sides of this equation by 2 yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/dae64e8da6447090b43c5fd852fd59c879f5b123ec5a8fee717a15a7316cd235\" alt=\"x equals, the fraction 23 over 2\"></span>. Therefore, the value of <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d9271eeef645afaa9ab7c8ad232ff3aed82b616a589370d0281402c0c71b76dd\" alt=\"x minus 3\"></span> is <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/f813699e1717cbfd7935e9caa6be3d80891aee237e0cc7ddbb86fdccc4e4f532\" alt=\"the fraction 23 over 2, end fraction, minus 3\"></span>, or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/93cf895464423293ca608a35a4aba9c34d2bc746badff75ea5b79d862e7a5175\" alt=\"the fraction 17 over 2\"></span>.</p><p>Choice A is incorrect. This is the value of <span class=\"italic\">x</span>, not <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d9271eeef645afaa9ab7c8ad232ff3aed82b616a589370d0281402c0c71b76dd\" alt=\"x minus 3\"></span>. Choices C and D are incorrect. If the value of <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d9271eeef645afaa9ab7c8ad232ff3aed82b616a589370d0281402c0c71b76dd\" alt=\"x minus 3\"></span> is <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/658486f09744818145184d0d32cd2406ab5cedc275233223a1c4adf4458a7bcb\" alt=\"the fraction 15 over 2 \"></span> or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6a8ce11ad1397240989e5ab5c58ae44dd2920aebcb36cdea7c1283e02811222a\" alt=\"negative of the fraction 15 over 2\"></span>, it follows that the value of <span class=\"italic\">x</span> is <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/11c74be7fc7b60d5def17b35db816467ab3f5a82c0dd267979e27ef2918dd9f1\" alt=\"the fraction 21 over 2 \"></span> or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/0e28d741e2831e0881d135985ca0346f6ec4f6642157b603fff2a37a7a872ecc\" alt=\"negative of the fraction 9 over 2\"></span>, respectively. However, solving the given equation for <span class=\"italic\">x</span> yields <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/dae64e8da6447090b43c5fd852fd59c879f5b123ec5a8fee717a15a7316cd235\" alt=\"x equals, the fraction 23 over 2\"></span>. Therefore, the value of <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/d9271eeef645afaa9ab7c8ad232ff3aed82b616a589370d0281402c0c71b76dd\" alt=\"x minus 3\"></span> can’t be <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/658486f09744818145184d0d32cd2406ab5cedc275233223a1c4adf4458a7bcb\" alt=\"the fraction 15 over 2 \"></span> or <span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6a8ce11ad1397240989e5ab5c58ae44dd2920aebcb36cdea7c1283e02811222a\" alt=\"negative of the fraction 15 over 2\"></span>.</p><p></p>\n","correct_answer":["B"],"has_media":true,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.623000+00:00","source_updated_at":"2023-08-02T20:25:59.623000+00:00","options":[{"label":"A","content_html":"<span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/0f57ef8ac4e7cbbffcd6ec903d9c783a0200771ad1ddf5d6a058507e88aa0a41\" alt=\"23 over 2\"></span>\n","ord":0},{"label":"B","content_html":"<span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/93cf895464423293ca608a35a4aba9c34d2bc746badff75ea5b79d862e7a5175\" alt=\"17 over 2\"></span>\n","ord":1},{"label":"C","content_html":"<span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/658486f09744818145184d0d32cd2406ab5cedc275233223a1c4adf4458a7bcb\" alt=\"15 over 2\"></span>\n","ord":2},{"label":"D","content_html":"<span class=\"math-container\"><img align=\"middle\" role=\"math\" class=\"math-img\" src=\"/api/assets/6a8ce11ad1397240989e5ab5c58ae44dd2920aebcb36cdea7c1283e02811222a\" alt=\"negative, 15 over 2\"></span>\n","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}