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20 July, 18:38

Solve for y

7y + 9 - 10y = - 18

What is y simplify your answer as much as possible.

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Answers (1)
  1. 20 July, 20:23
    0
    Y = 9

    7y - 10y = - 3y

    bring down the 9 = - 18 so

    -3y + 9 = - 18

    9 - 9 = 0

    - 18 - 9 = - 27

    - 3y : - 3 = y

    - 27 : - 3 = 9

    therefore y = 9
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