-12=3+3u

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Solution for -12=3+3u equation:


Simplifying
-12 = 3 + 3u

Solving
-12 = 3 + 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.
-12 + -3u = 3 + 3u + -3u

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

Add '12' to each side of the equation.
-12 + 12 + -3u = 3 + 12

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

Combine like terms: 3 + 12 = 15
-3u = 15

Divide each side by '-3'.
u = -5

Simplifying
u = -5

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