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4+3(2x-5)=x+9

 Apr 22, 2017

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4+3(2x-5)=x+9

  4+6x-15=x+9

      6x-11=x+9   |-x

      5x-11=9      |+11

           5x=20    | :5

             x=4

laugh

 Apr 22, 2017

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