6+3u=-12

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Solution for 6+3u=-12 equation: 


Simplifying
6 + 3u = -12

Solving
6 + 3u = -12

Solving for variable 'u'.

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

Add '-6' to each side of the equation.
6 + -6 + 3u = -12 + -6

Combine like terms: 6 + -6 = 0
0 + 3u = -12 + -6
3u = -12 + -6

Combine like terms: -12 + -6 = -18
3u = -18

Divide each side by '3'.
u = -6

Simplifying
u = -6

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