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yarga [219]
3 years ago
12

Y=-x+7 , y=x-1 and show your work Help !

Mathematics
1 answer:
Gelneren [198K]3 years ago
7 0
This is a system of equations. The best way to solve it is by realizing that you have two equations equal to y. Since y = y, it follows that -x+7=x-1. Solving for x, you get 4.

7=2x-1 \\ 8=2x \\ 4=x

Then, substitute 4 into one of the original equations to find y.

y=(4)-1=3.

The solution is (4,3). I have attached a graphical representation of the solution as well.

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