Question 863307
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Hi
Let x represent  mom's age
{{{x/2 - 12 = (x-12)/3}}}
    3x - 72= 2(x-12)
     3x = 2x -24 + 72
      x = 48, mom's age.  Daughter is 24  {{{48/2}}}

CHECKING our answer*** 12 years ago
  12 = 36/3
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