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math

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how do you solve these problems?

1.2x/3 + 1/3 - x/8= 2/3



2. 3n + 9/10 + n/5= -2 3/10


3. 3k/4 - 28 - 2k/3 = 37

  • math - ,

    #1: Multiply both sides by a common denominator, in this case 24.
    So you'll get

    24* (2x/3 + 1/3 - x/8) = 24* (2/3 )
    16x + 8 - 3x = 16
    13x = 8
    x = 8/13

    #2: Multiply both sides by 10

    #3: Multiply both sides by 12.

  • math - ,

    how do you do number 2. with a mixed number like multiply it by 10

  • math - ,

    -2 3/10 = -23/10

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