12u=18+9u

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Solution for 12u=18+9u equation: 


Simplifying
12u = 18 + 9u

Solving
12u = 18 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
12u + -9u = 18 + 9u + -9u

Combine like terms: 12u + -9u = 3u
3u = 18 + 9u + -9u

Combine like terms: 9u + -9u = 0
3u = 18 + 0
3u = 18

Divide each side by '3'.
u = 6

Simplifying
u = 6

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