SOLUTION: I am 20 years older than twice my daughter's age. How old is my daughter?

Question 1133879: I am 20 years older than twice my daughter's age. How old is my daughter?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = my age
Let = my daughter's age

subtract from both sides

Divide both sides by

In words, this is saying that my daughter's age
is ten years less than half my age
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check:
Suppose I am 40, or , then

and

OK
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