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4 August, 16:28

Solve 7y-6=2y+8 show clear algebraic working

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Answers (2)
  1. 4 August, 16:49
    0
    7y - 6 = 2y + 8

    put similar terms on one side of the equation

    transpose 2y

    7y - 2y - 6 = 8

    transpose - 6

    7y - 2y = 8 + 6

    operate/simplify

    5y = 14

    [5y = 14] (1/5)

    y = 14/5
  2. 4 August, 16:58
    0
    1) subtract 2y in both sides: (7y-2y) - 6 = (2y-2y) + 8 which is 5y-6=8

    2) Add 6 to both sides: 5y (-6+6) = 8+6 which is 5y=14

    3) Divide 5 on both sides: 5y/5=14/5 which is y=14/5 or y=2.8 or y=2 4/5
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