SOLUTION: the sum of two numbers is 36.their difference is 6.find the numbers.

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Question 712884:

the sum of two numbers is 36.their difference is 6.find the numbers.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=36
X-Y=6 ADD.
--------------------------
2X=36+6
2X=42
X=42/2
X=21 ANS.
21+Y=36
Y=36-21
Y=15 ANS.
PROOF:
21-15=6
6=6