-3u-4=8

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Solution for -3u-4=8 equation: 


Simplifying
-3u + -4 = 8

Reorder the terms:
-4 + -3u = 8

Solving
-4 + -3u = 8

Solving for variable 'u'.

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

Add '4' to each side of the equation.
-4 + 4 + -3u = 8 + 4

Combine like terms: -4 + 4 = 0
0 + -3u = 8 + 4
-3u = 8 + 4

Combine like terms: 8 + 4 = 12
-3u = 12

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

Simplifying
u = -4

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