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28 September, 05:54

How do I solve this equation using the substitution method

4x-3y=-7

4x + 1y=-3

+1
Answers (1)
  1. 28 September, 06:20
    0
    4x - 3y = - 7

    4x + y = - 3

    -4y = - 4

    -4 - 4

    y = 1

    4x - 3y = - 7

    4x - 3 (1) = - 7

    4x - 3 = - 7

    + 3 + 3

    4x = - 4

    4 4

    x = - 1

    (x, y) = (-1, 1)
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