SOLUTION: A man is now 42 years old and his friend is 33 years old. How many years ago was the man twice as old as his friend was then?

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Question 165703: A man is now 42 years old and his friend is 33 years old. How many years ago was the man twice as old as his friend was then?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Today,
M=42
F=33
Find X such that,
M-X=2%28F-X%29
42-X=2%2833-X%29
42-X=66-2X
X=66-42
X=24
Twenty four years ago the man was
M=42-24=18
while his friend was
F=33-24=9
and
18=2%289%29