3+3u=-12

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Solution for 3+3u=-12 equation: 


Simplifying
3 + 3u = -12

Solving
3 + 3u = -12

Solving for variable 'u'.

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

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

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

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

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

Simplifying
u = -5

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