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11 January, 04:34

5x-2y=-13

2x+y=11

Fine the solution using the substitution method.

+1
Answers (1)
  1. 11 January, 08:14
    0
    Y = 11-2x

    Substitute in:

    5x-2 (11-2x) = - 13

    5x-22+4x=-13 (combine like-terms)

    9x-22=-13

    9x=-13+22

    9x=9

    x=1
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