help please Currently, Sam's coach is three times older than Sam. When Sam started soccer 15 years ago, his coach was six times his age. How old is Sam now?
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Let Sam's age now be x
Sam's coach is three times older than Sam,
so, his coach's age now = 3x
15 years ago,
Sam's age = x-15
his coach's age = 3x -15 ,
then his coach was six times his age,
so 6(x-15) = 3x-15
can you solve this equation to get the value of x ?