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    3. 7+2(a-3)=-9
    7+2(a-3)=-9

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    0  Views: 1045 Answers: 1 Posted: 12 years ago
    Tags: algebra
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      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 

      12 years ago. Rating: 0
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