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7 October, 13:01

Solve using substitution.

x-y=4

3x-2y=-5 Download pdf

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Answers (1)
  1. 7 October, 14:01
    0
    x-y=4 = > x=4+y

    replace that in 2nd equation

    3 (4+y) - 2y = - 5

    12+3y-2y = - 5

    y = - 17

    x = 4 + (-17) = - 13
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