(x-9)+(-1x-9)=0

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Solution for (x-9)+(-1x-9)=0 equation: 


Simplifying
(x + -9) + (-1x + -9) = 0

Reorder the terms:
(-9 + x) + (-1x + -9) = 0

Remove parenthesis around (-9 + x)
-9 + x + (-1x + -9) = 0

Reorder the terms:
-9 + x + (-9 + -1x) = 0

Remove parenthesis around (-9 + -1x)
-9 + x + -9 + -1x = 0

Reorder the terms:
-9 + -9 + x + -1x = 0

Combine like terms: -9 + -9 = -18
-18 + x + -1x = 0

Combine like terms: x + -1x = 0
-18 + 0 = 0
-18 = 0

Solving
-18 = 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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