7u=12+4u

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Solution for 7u=12+4u equation: 


Simplifying
7u = 12 + 4u

Solving
7u = 12 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
7u + -4u = 12 + 4u + -4u

Combine like terms: 7u + -4u = 3u
3u = 12 + 4u + -4u

Combine like terms: 4u + -4u = 0
3u = 12 + 0
3u = 12

Divide each side by '3'.
u = 4

Simplifying
u = 4

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