SOLUTION: if a boy is 4years older than his sister and there combined age is the sum of 14 then how old is the boy? what is the girl age?

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Question 234785: if a boy is 4years older than his sister and there combined age is the sum of 14 then how old is the boy? what is the girl age?
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
X+X+4=14
2X=14-4
2X=10
X=10/2
X=5 FOR THE AGE OF THE SISTER.
5+4=9 FOR THE AGE OF THE BOY.
PROOF:
5+9=14
14=14