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vodomira
[7]
3 years ago
7
−3x+2y=56 −5x−2y=24
Mathematics
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answer:
Lady_Fox
[76]
3 years ago
7
0
-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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