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Simplify each expression.
-x + x
-(a + b) + (a + b)

User Terradon
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1 Answer

5 votes

Answer:

0

Explanation:

-x + x - (a + b) + (a + b)

Distribute the negative sign into (a + b).

-x + x - a - b + a + b

Notice how each term has itself and an opposite (For example x and - x)

These terms add up to zero .

Thus, when all of the terms are added up, the result is 0.

User Arun Badole
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