9u-9=9u+9

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Solution for 9u-9=9u+9 equation: 


Simplifying
9u + -9 = 9u + 9

Reorder the terms:
-9 + 9u = 9u + 9

Reorder the terms:
-9 + 9u = 9 + 9u

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

Combine like terms: 9u + -9u = 0
-9 + 0 = 9 + 9u + -9u
-9 = 9 + 9u + -9u

Combine like terms: 9u + -9u = 0
-9 = 9 + 0
-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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