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OpenStudy (anonymous):
Currently, Sam's coach is three times older than Sam. When Sam started soccer 5 years ago, his coach was five times his age. How old is Sam now?
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OpenStudy (mertsj):
S = Sam's age 3S= Coach's age S-5 = Sam's age 5 years ago 3S-5 = Coach's age 5 years ago. 5(S-5)=3S-5
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