SOLUTION: If x-y=81 and x+y=721 then what is the value of Y?

SOLUTION: If x-y=81 and x+y=721 then what is the value of Y?

Algebra.Com

Question 922697: If x-y=81 and x+y=721 then what is the value of Y?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Subtract the first equation from the second.

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