SOLUTION: Jerry is a years older than his brother. In 5 years, Jerry will be twice is old as his brother. Find their ages now?

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Question 1012205: Jerry is a years older than his brother. In 5 years, Jerry will be twice is old as his brother. Find their ages now?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
a=years older Jerry is than his brother
.
B=brother's age; J=Jerry's age=B+a
.
J+5=2(B+5)
B+a+5=2B+10
a-5=B
ANSWER 1: Brother is (a-5) years old.
.
J=B+a=(a-5)+a=2a-5
ANSWER 2: Jerry is 2a-5 years old.