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Can someone please explain how to solve this step by step so I could learn how to do this, if I don’t figure this out I’m literally gonna shoot myself

Can someone please explain how to solve this step by step so I could learn how to-example-1

1 Answer

5 votes


2x+2y=-8 \implies x+y=-4 \implies y=-4-x

We can substitufe this result into the second equation.


-10x-5(-4-x)=-5 \\ \\ -10x+20+5x=5 \\ \\ -5x+20=5 \\ \\ -5x=-15 \\ \\ x=3 \implies y=-4-3=-7


\therefore The solution is
(3,-7).

User Khteh
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