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13 December, 09:39

Solve 3 (x-4) = - 5 for x. Justify each step

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  1. 13 December, 10:01
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    3x - 12 = - 5 plus 12

    3x-12 + 12 = - 5+12

    3x = 7 devision by 3

    3x/3 = 7/3

    x = 2,3333333333 = ~ 2,3
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