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11 August, 14:42

Correct first step to solving the equation 9 (x+2) = 90

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  1. 11 August, 16:20
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    1. use the distributive

    9x + 18 = 90

    2. subtract 18 on both sides

    9x = 72

    3. divide 9 on both sides

    x = 8
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