Question

2x + y = -2

x + y = 5
The x-coordinate of the solution to the system shown is _____.
A. -7
B. -3
C. 3
D. 7

Answer 1

Answer is A
if x+y=5
y= -x+5
2x + (-x+5) =-2
2x -x +5 = -2
x+5 = -2
x=-7

Answer 2

The answer is A

Explanation: