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20 December, 10:00

What is 5x-y=17 5x+5y=-35

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Answers (2)
  1. 20 December, 11:37
    0
    5x=17+y

    5x-17=y

    5x+5y=-35

    5y=-35-5x

    y=-35-x

    -35-x=5x-17

    -x=5x+18

    4x=18

    x=4.5
  2. 20 December, 12:28
    0
    5 (4) - 3=17

    5 (4) + 5 (3) = 35

    X=4

    Y=3

    Pretty much 5x3=20-3=17 & 5x3=20+5x3=15=35
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