2u-4-2u=-6

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Solution for 2u-4-2u=-6 equation: 


Simplifying
2u + -4 + -2u = -6

Reorder the terms:
-4 + 2u + -2u = -6

Combine like terms: 2u + -2u = 0
-4 + 0 = -6
-4 = -6

Solving
-4 = -6

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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