SOLUTION: Martha's grandfather at 63 years of age is 6 years more than 3 times as old as Martha. What is Martha's age?

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Question 1116917: Martha's grandfather at 63 years of age is 6 years more than 3 times as old as Martha. What is Martha's age?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
G=63
G=6%2B3M
So,
6%2B3M=63
3M=57
Solve for M.