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15 October, 05:33

How to solve:

3+3 (-4a - 5) = - 108

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Answers (1)
  1. 15 October, 06:11
    0
    U would first expand the brackets.

    3*-4a and 3*-5

    now it looks like:

    3-12a-15=-108

    3-15=-12

    -12-12a=-108

    shift over the-12 by adding 12 on both sides

    -12a=-96

    divide by-12

    a=8
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