12=4u

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Solution for 12=4u equation:


Simplifying
12 = 4u

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

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

Add '-12' to each side of the equation.
12 + -12 + -4u = 0 + -12

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

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

Divide each side by '-4'.
u = 3

Simplifying
u = 3

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