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13 April, 17:52

What is 2x-3y=-1

y=x-1

Solving systems of equations by Substitution

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Answers (1)
  1. 13 April, 21:44
    0
    2x - 3y = - 1

    y = x - 1

    2x - 3y = - 1

    2x - 3 (x-1) = - 1

    2x-3x + 3 = - 1

    -x + 3 = - 1

    -x = - 3 - 1

    -x = - 4

    x = 4
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