sandhurt sandhurt

07-03-2018
Mathematics

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−3x+2y=56 −5x−2y=24

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MANNYCARRILLO6 MANNYCARRILLO6

07-03-2018

-3x+2y=56
-5x-2y=24

so first we want to get rid of one variable, in this example we dont need to multiply because the y's cancel out

so we have

-8x=80

x=-10

now plug in x into an original equation

-3(-10)+2y=56
2y=26
y=13

hope that helps

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