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When simplified, -x − x is: 2x. -2x. x. None of these choices are correct.

User Mpac
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Answer: When simplified, -x − x is:

-2x

When you subtract x from -x, you are essentially adding the opposite of x to -x, which is -x.

-x + (-x) = -x + -x = -2x

-x and x have opposite signs so when you add them up, the signs cancel out and you are left with the coefficient -2 in front of the x.

Explanation:

User Manoj Wadhwani
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