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6 March, 11:34

Solve 3[-x + (2 x + 1) ] = x - 1.

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  1. 6 March, 11:40
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    Solution

    3 (-x + (2x+1)) = x-1

    3 (x+1) = x-1

    3x+3=x-1 collect like terms

    3x-x=-1-3

    2x=-4 divide both side by 2

    x=-4/2=-2
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