SOLUTION: After 12 years I shall be three times as old as I was 4 years ago. Find my present age.

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Question 655262: After 12 years I shall be three times as old as I was 4 years ago. Find my present age.
Answer by ptaylor(2198) About Me  (Show Source):
You can put this solution on YOUR website!
Let x=your present age
Four years ago, your age was x-4
After 12 years, your age will be x+12
So our equation to solve is:
x+12=3(x-4)
x+12=3x-12 add 12 to and subtract x from each side
12+12=3x-x
2x=24
x=12----your present age
CK
12+12=3(12-4)
12+12=36-12
24=24
Hope this helps---ptaylor