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find the number that is 50 greater than its opposite

Sagot :

Let the number be: x
Its opposite:  -x

Equation:
x = -x + 50
x + x = 50
2x = 50
2x/2 = 50/2
x = 25

Answer:  The number is 25.

To check:
25 = -x + 50
25 = -(25) + 50
25 = 25     √