SOLUTION: x+y= 8 x-y= 10

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Question 30066: x+y= 8 x-y= 10
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=8 & X-Y=10
X=8-Y 8-Y-Y=10 OR -2Y=2 OR Y=-1
X=8-(-1) OR X=9
PROOF 9-1=8 OR 8=8 & 9-(-1)=10 OR 9+1=10 or 10=10