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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