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Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y = -x + 21 y = -2x + 30
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2 votes
Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y = -x + 21 y = -2x + 30

User Earsonheart
by
8.7k points

1 Answer

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


y=12
User Toman
by
8.4k points
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