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3a+8=15-(9a-9)

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  1. 3a+8=15-(9a-9)
    3a+8=15-1(9a-9)
    3a+8=15-9a+9
    +3a +3a
    12a+8=15
    -8 -8
    12a=7
    /12 /12
    a=.5833 repeating

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  2. 3a+8=15-(9a-9)
    3a+8=15-9a+9
    3a+8=24-9a
    12a+8=24
    12a=16
    a=16/12
    a=1 1/3

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