Answers

2016-01-06T21:21:48+08:00
55, i think. thats the answer(im really not sure)

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  • Brainly User
2016-01-07T11:12:19+08:00
X = the number
-x = the number's opposite

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

Plug-in 25 to x:
The number: x = 25
Number's opposite: -x = -(25) = -25

ANSWER:  The number is 25.

Check:
-25 + 50 = 25
25 = 25

Click image below to view the number line that the equation represents.

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