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4 July, 08:06

Solve each system bu substution

y=-3x+5

5x-4y=-3

+3
Answers (1)
  1. 4 July, 08:12
    0
    y = - 3x + 5

    5x - 4y = - 3

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

    5x + 12x - 20 = - 3

    17x = 20 - 3

    17x = 17

    x = 1

    y = - 3·1 + 5 = - 3 + 5

    y = 2
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