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math

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Help. I cannot solve this problem.\

3(a+4)/9 = 2a - 12

  • math - ,

    3(a+4)/9 = 2a - 12

    cancel down the 3/9

    (a+4)/3 = 2a - 12

    multiply through by 3

    a+4 = 6a - 36

    add 36 to both sides

    a+40=6a

    subtract a from both sides

    40 = 5a

    divide both sides by 5

    8=a

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