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31 August, 15:19

Find the value of y when x equals 10 5x-y=54

+4
Answers (2)
  1. 31 August, 15:27
    0
    5x-y=54

    x=10

    50-y=54

    -y=54-50

    y = - 4
  2. 31 August, 15:32
    0
    5x - y = 54

    5 (10) - y = 54

    50 - y = 54

    50 = 54 + y

    -4 = y

    Therefore y = - 4.

    5x - y = 54

    5 (10) - (-4) = 54

    50 + 4 = 54

    54 = 54
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