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31 May, 18:43

Solve for u. - 2u+2=-7u+17

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  1. 31 May, 21:36
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    Subtract 2 from both sides

    -2u = - 7u + 17 - 2

    Simplify - 7u + 17 - 2 to - 7u + 15

    -2u = - 7u + 15

    Add 7u to both sides

    -2u + 7u = 15

    Simplify - 2u + 7u to 5u

    5u = 15

    Divide both sides by 5

    u = 15/5

    Simplify 15/5 to 3

    u = 3
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