3u-2u+3u-u=12

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Solution for 3u-2u+3u-u=12 equation: 


Simplifying
3u + -2u + 3u + -1u = 12

Combine like terms: 3u + -2u = 1u
1u + 3u + -1u = 12

Combine like terms: 1u + 3u = 4u
4u + -1u = 12

Combine like terms: 4u + -1u = 3u
3u = 12

Solving
3u = 12

Solving for variable 'u'.

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

Divide each side by '3'.
u = 4

Simplifying
u = 4

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