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17 September, 01:59

Solve 9x-y = 45 for y

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Answers (2)
  1. 17 September, 03:08
    0
    y = 9x - 45

    Step-by-step explanation:

    9x - y = 45 subtract 9x from both sides

    9x - 9x - y = - 9x + 45

    -y = - 9x + 45 change the signs

    y = 9x - 45
  2. 17 September, 04:29
    0
    9x-y = 45

    Move 9x to the other side. Sign changes from + 9x to - 9x.

    9x-9x-y=45-9x

    -y=45-9x

    Multiply both sides by - 1

    (-1) (-y) = y

    (-1) (45) = -45

    (-1) (-9x)

    y=-45+9x or y=9x-45

    Answer: y=-45+9x or y=9x-45
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