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11 October, 15:08

Solve the question and check the solution. Express numbers as integers or simplified fractions. 5 (m+5) = 7m+9

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  1. 11 October, 16:58
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    m = 8

    Step-by-step explanation:

    5 (m+5) = 7m+9 (distribute & evaluate parenthesis)

    5 (m) + 5 (5) = 7m+9

    5m + 25 = 7m + 9 (move all m-terms to one side and constants to the other)

    5m - 7m = 9 - 25 (evaluate both sides)

    -2m = - 16 (divide both sides by - 2)

    m = (-16) / (-2) = 8
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