SOLUTION: The sum of two numbers is fifteen. One less than three times the smaller is equal to the larger. Find the two numbers.

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Question 716650:
The sum of two numbers is fifteen. One less than three times the smaller is equal to the larger. Find the two numbers.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=15
X=15-Y
3X-1=Y
3X-Y=1
X+Y=15 ADD
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4X=16
X=16/4
X=4 ANS.
4+Y=15
Y=15-4
Y=11 ANS.
PROOF:
3*4-1=11
12-1=11
11=11