Answer:
(-1,-2)
Explanation:
X+5y=-11 (x -1) ➡️ -X-5y=11 ➡️ -X=11
2X+5y=-12 ➡️ 2X+5y=-12 ➡️ 2X=-12
X=-1
-1+5y=-11
y=-2
The correct system when solved is (-1, -2)
Using (-1, -2)
x = -1
y = -2
x + 5y = -11
-1 + 5× -2 = -11
2x + 5y = -12
2× -1 + 5× -2 = -12
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