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21 July, 16:03

Find the solution of this system of equations. Separate the x - and y-values with a comma.

x = - 6+y

x-3y=28

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  1. 21 July, 19:01
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    X = - 6 + y ... so we sub in - 6 + y for x in the other equation

    x - 3y = 28

    -6 + y - 3y = 28

    -2y - 6 = 28

    -2y = 28 + 6

    -2y = 34

    y = - 34/2

    y = - 17

    x = - 6 + y

    x = - 6 - 17

    x = - 23

    solution is (-23,-17)
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