Eliminate y's multiply second equaiton by 4 4x+4y=-4
add to first equation
3x-4y=-24 4x+4y=-4 + 7x+0y=-28
7x=-28 divide both sides by 7 x=-4 sub back
x+y=-1 -4+y=-1 add 4 to both sides y=3
(x,y) (-4,3) D is answer
Answer from: Quest
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step-by-step explanation:
Answer from: Quest
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