MediumMath· Algebra· Systems of two linear equations in two variables· MCQ
The solution to the given system of equations is . What is the value of ?
A
B
C
D
Correct answer: C
Explanation
Choice C is correct. Adding the second equation in the given system to the first equation in the given system yields . Adding like terms in this equation yields . Thus, the value of is .
Choice A is incorrect. This is the value of , not .
Choice B is incorrect. This is the value of , not .
Choice D is incorrect and may result from conceptual or calculation errors.
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id cb_question_bank:53884b80-dd87-4d93-ba29-904916e46ec1 · question 8a87c2c8
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