-(x+9)=-x

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Solution for -(x+9)=-x equation: 


Simplifying
-1(x + 9) = -1x

Reorder the terms:
-1(9 + x) = -1x
(9 * -1 + x * -1) = -1x
(-9 + -1x) = -1x

Add 'x' to each side of the equation.
-9 + -1x + x = -1x + x

Combine like terms: -1x + x = 0
-9 + 0 = -1x + x
-9 = -1x + x

Combine like terms: -1x + x = 0
-9 = 0

Solving
-9 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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