Answer:
x=-4, y=7. (-4, 7).
Step-by-step explanation:
-7x-2y=14
6x+6y=18
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simplify 6x+6y=18 into x+y=3,
-7x-2y=14
x+y=3
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-7x-2y=14
7(x+y)=7(3)
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-7x-2y=14
7x+7y=21
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5y=35
y=35/5
y=7
x+7=3
x=3-7
x=-4
