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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
Mathematics
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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