EasyMath· Algebra· Linear equations in one variable· MCQ
If , what is the value of x ?
A
B
C
D
Correct answer: C
Explanation
Choice C is correct. To make it easier to add like terms on the left-hand side of the given equation, both sides of the equation can be multiplied by 6, which is the lowest common denominator of and . This yields , which can be rewritten as . Dividing both sides of this equation by 2 yields .
Choice A is incorrect and may result from subtracting the denominators instead of numerators with common denominators to get , rather than , on the left-hand side of the equation. Choice B is incorrect and may result from rewriting the given equation as instead of . Choice D is incorrect and may result from conceptual or computational errors.
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.
id cb_question_bank:b7b798da-bdcc-45c0-a9fa-585125e16f36 · question 9ff10b3b · IBN 14894-DC
· JSON