PLEASE HELP ASAP!

2 answers:

6 0

Ok so I will take this from the top, lets start out with choice A (-1,-12) we will need to see if the answer is equal to A. so first lets just merge these two problems into eachother to get 4x-8=2x-10 now, after subtracting 2x from each side we get 2x-8=-10. Now, add 8 to both sides which will give us 2x=-2... now it is simple, just divide -2 by 2 to get an answer for x as -1...Answer A is the correct answer

Naddika [18.5K]4 years ago

5 0

$\begin{cases}y=2x-10\\y=4x-8\end{cases}\\\\\\
4x-8=2x-10\\\\4x-2x=-10+8\\\\2x=-2\qquad|:2\\\\\boxed{x=-1}\\\\\\y=2x-10\\\\y=2\cdot(-1)-10\\\\y=-2-10\\\\\boxed{y=-12}\\\\\\\begin{cases}x=-1\\y=-12\end{cases}\\\\\\$

Answer A)

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