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12 November, 19:45

How to you can you get the right answer for this - 3 (x-1) + 9=15

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  1. 12 November, 21:33
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    -3 (x - 1) + 9 = 15

    -3 (x) + 3 (1) + 9 = 15

    -3x + 3 + 9 = 15

    -3x + 12 = 15

    - 12 - 12

    -3x = 3

    -3 - 3

    x = - 1
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