SOLUTION: three times ann's age 4 years ago is the same as twice the age in 4 years time. what is ann's age?

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Question 398828: three times ann's age 4 years ago is the same as twice the age in 4 years time. what is ann's age?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let a = Ann's age now
Then a+-+4 is Ann's age 4 years ago
a+%2B+4 is Ann's age in 4 years
given:
3%2A%28a+-+4%29+=+2%2A%28a+%2B+4%29
3a+-+12+=+2a+%2B+8
a+=+4
Ann is 4 yrs old