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Find a number that is 50 greater than its opposite



Sagot :

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