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1 January, 18:03

Answer the following

-4 (3x-3) + 9 (x+1) =

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  1. 1 January, 18:37
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    -4 (3x-3) + 9 (x+1)

    (distribute - 4 through the parenthesis)

    (distribute 9 through the parenthesis)

    -12x-12+9x+9

    (collect the like terms)

    (add the number)

    -12x + 9x - 12 + 9

    answer is

    -3x + 21
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