3u=18-6u

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Solution for 3u=18-6u equation: 


Simplifying
3u = 18 + -6u

Solving
3u = 18 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
3u + 6u = 18 + -6u + 6u

Combine like terms: 3u + 6u = 9u
9u = 18 + -6u + 6u

Combine like terms: -6u + 6u = 0
9u = 18 + 0
9u = 18

Divide each side by '9'.
u = 2

Simplifying
u = 2

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