Question 49 Answer and Explanation _ACT April 2012 Form 70G Math Section

Question 49 Answer and Explanation _ACT April 2012 Form 70G Math Section

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49. What is the value of y in the solution of the system of equations below?

x + y = -a

x - y = b

A. $-(\frac{a+b}{2})$

B. b - a

C. $\frac{b-a}{2}$

D. a + b

E. $\frac{a-b}{2}$

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation