3u-u=8

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Solution for 3u-u=8 equation: 


Simplifying
3u + -1u = 8

Combine like terms: 3u + -1u = 2u
2u = 8

Solving
2u = 8

Solving for variable 'u'.

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

Divide each side by '2'.
u = 4

Simplifying
u = 4

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