SOLUTION: Please Help If the sum r+s is 2 less than the difference r-s,then s= my answer is -2

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Question 137961: Please Help If the sum r+s is 2 less than the difference r-s,then s= my answer is -2
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
r%2Bs=r-s-2

Add -r to both sides:
s=-s-2

Add s to both sides:
2s=-2

Divide by 2:
s=-1

By the way, the statement is true for any r.