-x*2+2x-9=0

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Solution for -x*2+2x-9=0 equation: 


Simplifying
-1x * 2 + 2x + -9 = 0

Reorder the terms for easier multiplication:
-1 * 2x + 2x + -9 = 0

Multiply -1 * 2
-2x + 2x + -9 = 0

Reorder the terms:
-9 + -2x + 2x = 0

Combine like terms: -2x + 2x = 0
-9 + 0 = 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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