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7 September, 21:26

Solve the system of equations using the substitution method. Make sure to show all work. Y=2x+4 y=3x+7

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  1. 7 September, 23:52
    0
    (-3,-2)

    Step-by-step explanation:

    y = 2x+4

    y=3x+7

    substitute (3x+7) in for y in the first equation.

    3x+7 = 2x+4

    subtract 2x from both sides

    x+7=4

    subtract 7 from both sides.

    x = - 3

    plug - 3 in for x in either equation to get y.

    y = 2 (-3) + 4

    y = - 2
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