Answer:
x = -1
y = 3
Explanation:
EQ 1: -2x - 9y = -25
EQ 2: -4x - 9y = -23
Multiply EQ 2 by -1: 4x + 9y = 23
Now solve:
-2x - 9y = -25
4x + 9y = 23
___________
2x = -2
Now substitute:
-2(-1) - 9y = -25
2 - 9y = -25
-9y = -27
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