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4x+12=-7y -y+12=4x PLS HELP!!!! Addition/ Elimination method

4x+12=-7y -y+12=4x PLS HELP!!!! Addition/ Elimination method
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4x+12=-7y
-y+12=4x

PLS HELP!!!!
Addition/ Elimination method

User Faisal Syed
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1 Answer

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4×+7y=-12 __ -4x-y=-12 ________ 0x+6y=-24 , so you eleminated by it self 6y/6=-24/6 , you get : y=-4 and then you plug in 4x+7(-4)=-12 , that's your answer 4x-28 =-12 , you divided in both side 4x=-12+28 , 4x=16 , and then x=16/4 =4 , so x=4
User Berkin
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