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18 March, 15:57

Find the difference between (x+7) & (3x+4)

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  1. 18 March, 18:53
    0
    -2x + 3

    Step-by-step explanation:

    (x+7) - (3x+4)

    Since there is a negative outside the 3x + 4, multiply both numbers by - 1. Afterwards, you can't combine anything in the parentheses, so just ignore them.

    New expression set up:

    x + 7 - 3x - 4

    Combine like terms:

    x - 3x = - 2x

    7 - 4 = 3

    Answer:

    -2x + 3
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