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15 June, 08:47

3 (2a + 1) = - 5 (a + 6)

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  1. 15 June, 09:42
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    3 (2a+1) = - 5 (a+6)

    First expand the brackets.

    6a+3=-5a-30

    Now add 5a to both sides.

    11a+3=-30

    Then subtract 3 from both sides.

    11a=-33

    Finally divide both sides by 11.

    a = - 33/11

    =-3
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