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-4x-2y=-124x+8y=-24How do I solve each system by elimination?

-4x-2y=-124x+8y=-24How do I solve each system by elimination?
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-4x-2y=-124x+8y=-24How do I solve each system by elimination?

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User Fishfood
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1 Answer

1 vote

Given:


\begin{gathered} -4x-2y=-12\ldots.(1) \\ 4x+8y=-24\ldots\text{ (2)} \end{gathered}

Add equation (1) and (2)


-4x-2y+4x+8y=-12-24


6y=-36
y=-6

Substitute y=-6 in (2)


4x+8(-6)=-24
4x-48=-24
4x=48-24
x=6

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User Race B
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