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27 August, 08:47

Solve for x. 7 (x+11) = 9x-18

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  1. 27 August, 09:16
    0
    7 (x+11) = 9x-18

    7x + 77 = 9x - 18

    7x - 7x + 77 = 9x - 7x - 18

    77 = 2x - 18

    18 + 77 = 2x - 18 + 18

    95 = 2x

    95/2 = 2x/2

    x = 47.5

    Step-by-step explanation:

    1. distribute the bracket

    2. subtract 7 from both sides

    3. add 18 to both sides

    4. divide both sides by 2
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