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8 March, 01:17

Solve using substitution:

y = - 3x + 5

5x - 4y = - 3

+4
Answers (1)
  1. 8 March, 01:27
    0
    x = 1 y = 2

    Step-by-step explanation:

    5x - 4y = - 3

    5x - 4 (-3x + 5) = - 3

    5x + 12x - 20 = - 3

    17x - 20 + 20 = - 3 + 20

    17x = 17 : 17

    x = 1

    y = - 3x + 5

    y = - 3 (1) + 5

    y = - 3 + 5

    y = 2
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