x+(-9-x)=9

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


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

Remove parenthesis around (-9 + -1x)
x + -9 + -1x = 9

Reorder the terms:
-9 + x + -1x = 9

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

Solving
-9 = 9

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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