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10 December, 14:23

3 (3m-2) = 2 (3m+3) (I'm confused)

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  1. 10 December, 17:31
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    We need to distribute.

    Multipy the parenthesis first:

    9m - 6 = 6m + 6

    Now we want variables on the same side so subtract 6m from both sides (we use this because it's the smallest of the two)

    3m - 6 = 6 Now move the constant numbers to the same side by adding 6 to both sides (this eliminates the - 6 on the left)

    3m = 12 Now divide both sides by 3.

    m = 4

    Check your work.

    3 ((3 x 4) - 2) = 2 ((3 x 4) + 3)

    3 (12-2) = 2 (12+3)

    3 x 10 = 2 x 15

    30 = 30

    Yes - it checks!
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