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31 July, 08:40

7x+2y=-17

Y=5x

What is x, y

+5
Answers (2)
  1. 31 July, 09:40
    0
    7x+2 (5x) = - 17

    7x+10x=-17

    17x=-17

    so x=-1,

    keep x in7x+2y=-17

    7 (-1) + 2y=-17

    -7+2y=-17

    -10=2y

    y=-5
  2. 31 July, 11:30
    0
    7x+2 (5x) = - 17

    7x+10x=-17

    17x=-17

    x=-1

    y=5x=5 (-1) = - 5
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