(-1)a=-a

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Solution for (-1)a=-a equation:


Simplifying
(-1) * a = -1a

Add 'a' to each side of the equation.
-1a + a = -1a + a

Combine like terms: -1a + a = 0
0 = -1a + a

Combine like terms: -1a + a = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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