12u=40+4u

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Solution for 12u=40+4u equation: 


Simplifying
12u = 40 + 4u

Solving
12u = 40 + 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.
12u + -4u = 40 + 4u + -4u

Combine like terms: 12u + -4u = 8u
8u = 40 + 4u + -4u

Combine like terms: 4u + -4u = 0
8u = 40 + 0
8u = 40

Divide each side by '8'.
u = 5

Simplifying
u = 5

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