SOLUTION: A father tells his son,"I was your age when you were born". If the father is 36 now, how old was the boy five years back?

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Question 763344: A father tells his son,"I was your age when you were born". If the father is 36 now, how old was the boy five years back?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x is son's age now. Father is now 36. If you subtract x from 36 for Father, then subtract x from son's x age when son was born, age 0.

when_______Father__________Son
Now________36______________x
SonBorn____36-x___________x-x=0

Father was 36-x=x when son was born, when son's age was 0.

36=2x because add x to both sides
2x=36
highlight%28x=18%29___________ANSWER