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22 May, 14:12

15x-3y=12

Y=5x-4

4x-y=-4

-8x+2y=2

+4
Answers (1)
  1. 22 May, 14:29
    0
    15x-3y=12

    y=5x-4

    I'm also not sure what your question is, but this is what I got by solving it like a regular equation.

    15x-3 (5x-4) = 12

    15x-15x+12=12

    0=12-12

    0=0

    4x-y=-4

    -8x+2y=2

    -y=-4-4x / : (-1)

    y=4+4x

    -8x+2y=2

    -8x+2 (4+4x) = 2

    -8x+8+8x=2

    0=-6
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