Question

Solve each system by substitution
Y=2x-18
Y=x-10

Answer 1

`\displaystyle [8, -2]`

Explanation:

2x - 18 = x - 10

−8 = −x

`\displaystyle 8 = x`[Plug this back into both equations above to get the y-coordinate of −2];
`\displaystyle -2 = y`

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