SOLUTION: the sum of two numbers is 117,and they have a difference of 21, what are the numbers

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Question 851617: the sum of two numbers is 117,and they have a difference of 21, what are the numbers
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB=117
A-B=21
Add the equations,
A%2BB%2BA-B=117%2B21
2A=138
A=69
Now use either equation to solve for B
B=117-A
B=117-69
B=48