SOLUTION: the sum of two numbers is 13. One number is 1 more than twice the other.fIND THE LARGER NUMBER?

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Question 137351: the sum of two numbers is 13. One number is 1 more than twice the other.fIND THE LARGER NUMBER?
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=13 OR X=13-Y
X=2Y+1
THEREFORE:
13-Y=2Y+1
-Y-2Y=1-13
-3Y=-12
Y=-12/-3
Y=4 ANSWER
X=13-4
X=9 FOR THE LARGER NUMBER.
PROOF
9=2*4+1
9=9