SOLUTION: Steve is two years older than Marvin, Five years ago the sum of their ages was 10 years more than Steve's present age. How old was Marvin 5 years ago? Formulate the equation an

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Question 1108056: Steve is two years older than Marvin, Five years ago the sum of their ages was 10 years more than Steve's present age. How old was Marvin 5 years ago?
Formulate the equation and solve the problem.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
t, sTeve
m, Marvin

system%28t=m%2B2%2C%28t-5%29%2B%28m-5%29=10%2Bt%29

-
m=t-2
-
t%2Bm-10=t%2B10
m-10=10
m=20