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17 July, 11:21

Is x=-8 a solution of the equation 3 (x+1) = 3x+3

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  1. 17 July, 12:47
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    It is true for all x.

    Step-by-step explanation:

    3 (x + 1) = 3x + 3

    3x + 3 = 3x + 3

    3x = 3x + 3 - 3

    3x = 3x

    0 = 0

    It is true for all x. It means that it can be any solution for x since they would result the same.

    If you choose x = - 8

    3 (-8 + 1) = 3 (-8) + 3

    -24 + 3 = - 24 + 3

    -21 = - 21
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