Answers

2014-09-19T09:38:41+08:00
Let
x = number
-x = opposite of number

Equation (from statement: number that is 50 greater than its opposite):
x = 50 + (-x)
x= 50 -x
x+x=50
2x=50
x=50/2
x=25--->answer

check:
if x=25, then
x=50-x
25=50-25
25=25 
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2014-09-20T21:32:06+08:00
I think 25 is the answer to your kwestion 
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