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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

If (5x)-3 = 2a, then ((5x)-3)/2 =

(A) a/4
(B) a/2
(C) a
(D) 2a
(E) 4a

答案和解析

答案：C

解析：

You are given that (5x)-3 = 2a. Dividing both sides of the equation by 2 gives((5x)-3)/2 = a . Thus, the answer is a.