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28 June, 13:48

Y = 5x + 4

y = - 3x - 12

+2
Answers (1)
  1. 28 June, 16:14
    0
    x=-2 y=-6

    Step-by-step explanation

    5x+4=-3x-12

    +3 + 3x

    8x+4=-12

    -4 - 4

    8x=-16

    :8 : 8

    x=-2

    Looking for y too, plug x into the original equation

    5 (-2) + 4

    -10+4

    -6

    y=-6
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