SOLUTION: Overlie is 3 times as old as john. In 15 years he will be twice as old as john. Howold is john? Here is what i did. 3x+15+x+15=2(x+15)

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Question 940377: Overlie is 3 times as old as john. In 15 years he will be twice as old as john. Howold is john?
Here is what i did.
3x+15+x+15=2(x+15)
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x, Overlie's age
j, John's age

system%28x=3j%2C%28x%2B15%29=2%28j%2B15%29%29

See the simple substitution.
%28%283j%29%2B15%29=2%28j%2B15%29
Go from that.