-4+u=-8

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Solution for -4+u=-8 equation: 


Simplifying
-4 + u = -8

Solving
-4 + u = -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 + u = -8 + 4

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

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

Simplifying
u = -4

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