-3u+3u-7=

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Solution for -3u+3u-7= equation: 


Simplifying
-3u + 3u + -7 = 0

Reorder the terms:
-7 + -3u + 3u = 0

Combine like terms: -3u + 3u = 0
-7 + 0 = 0
-7 = 0

Solving
-7 = 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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