9u-3u=30

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Solution for 9u-3u=30 equation: 


Simplifying
9u + -3u = 30

Combine like terms: 9u + -3u = 6u
6u = 30

Solving
6u = 30

Solving for variable 'u'.

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

Divide each side by '6'.
u = 5

Simplifying
u = 5

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