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    7+2(a-3)=-9

    0  Views: 812 Answers: 1 Posted: 8 years ago
    Tags: algebra

    1 Answer

    7 + 2 ( a - 3 ) = 9
    7 + 2a - 6 = 9
    7 - 6 + 2a  = 9 
    1 + 2a = 9
    1 - 1 + 2a = 9 - 1
    2a = 8
    2a/2 = 8/2
    a = 4 



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