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5 January, 11:52

Solve the system of equations using the substitution method. {y=-3x+7x=-2y-16 Enter your answers in the boxes. x = y=

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  1. 5 January, 13:06
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    The solution would be (6, - 11)

    Step-by-step explanation:

    In order to solve this system by substitution, simply take the value of y in the first equation and use it in place of y in the second. This will allow you to solve for x.

    x = - 2y - 16

    x = - 2 (-3x + 7) - 16

    x = 6x - 14 - 16

    x = 6x - 30

    -5x = - 30

    x = 6

    Now that we have the value of x, we can find the value of y.

    y = - 3x + 7

    y = - 3 (6) + 7

    y = - 18 + 7

    y = - 11
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