4u=9+3u

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Solution for 4u=9+3u equation: 


Simplifying
4u = 9 + 3u

Solving
4u = 9 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
4u + -3u = 9 + 3u + -3u

Combine like terms: 4u + -3u = 1u
1u = 9 + 3u + -3u

Combine like terms: 3u + -3u = 0
1u = 9 + 0
1u = 9

Divide each side by '1'.
u = 9

Simplifying
u = 9

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