Answer:
x=-4, y=4. (-4, 4).
Step-by-step explanation:
2x-5y=-28
4x+5y=4
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-2(2x-5y)=-2(-28)
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-4x+10y=56
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15y=60
y=60/15=4
4x+5(4)=4
4x+20=4
4x=4-20
4x=-16
x=-16/4=-4
x=-4, y=4.
