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22 December, 11:25

20-3 (m-1) = - 4 What is m?

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  1. 22 December, 14:39
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    Let's do this step by step:

    20-3 (m-1) = - 4

    20-3m+3=-4

    23-3m=-4

    -3m=-27

    m=9

    To check if this answer is correct, simply substitute m with 9 and you will get 9=9
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