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29 July, 20:51

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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  1. 29 July, 22:20
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    -x+21=-2x+30

    -x+2x=-21+30

    x=9

    - (9) + 21=12

    y=12
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