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igor_vitrenko [27]

3 years ago

7

Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y = -x + 21 y = -2

x + 30

1 answer:

Kamila [148]3 years ago

4 0

-x+21=-2x+30
-x+2x=-21+30
x=9
-(9)+21=12

y=12

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