-3+u=-4

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Solution for -3+u=-4 equation: 


Simplifying
-3 + u = -4

Solving
-3 + u = -4

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 + u = -4 + 3

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

Combine like terms: -4 + 3 = -1
u = -1

Simplifying
u = -1

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