SOLUTION: One-half of Martha's age two years from now plus one-third of her age three years ago is 20 years. How old is she now?

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Question 1140395: One-half of Martha's age two years from now plus one-third of her age three years ago is 20 years. How old is she now?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
m, Martha now
m+2, Two from now
m-3, Three years ago

%28m%2B2%29%2F2%2B%281%2F3%29%28m-3%29=20
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3%28m%2B2%29%2B2%28m-3%29=120
3m%2B6%2B2m-6=120
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