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6 April, 01:38

Find the error in the solution, and then solve correctly 9x+18+3x=1 9x+18=-2 9x=20 x=-20/9

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  1. 6 April, 02:01
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    9x+18+3x=1

    The second should be:

    12x + 18=1, as you cannot combine - 3x and 1 to get - 2

    To continue:

    12x = - 17

    x = - 17/12
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