Question

A. 3
B. 5
C.9
D. 15

Answer 1

3

Explanation:

`\underline{+\left\{\begin{array}{ccc}2x+3y=9\\-2x+2y=6\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad5y=15\qquad\text{divide both sides by 5}\\.\qquad\qquad\boxed{y=3}`

Answer 2

Answer: 15

Step-by-step explanation