3u-3u+u=12

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Solution for 3u-3u+u=12 equation: 


Simplifying
3u + -3u + u = 12

Combine like terms: 3u + -3u = 0
0 + u = 12
u = 12

Solving
u = 12

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Simplifying
u = 12

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