SOLUTION: MrTan is 58 years old and his son is 22 years now.How many years ago was MrTan thrice as old as his son?

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Question 1090478: MrTan is 58 years old and his son is 22 years now.How many years ago was MrTan thrice as old as his son?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
M=58
S=22
Find X so that,
M-X=3%28S-X%29
58-X=3%2822-X%29
58-X=66-3X
2X=8
Solve for X.