-4+u=16

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Solution for -4+u=16 equation: 


Simplifying
-4 + u = 16

Solving
-4 + u = 16

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 = 16 + 4

Combine like terms: -4 + 4 = 0
0 + u = 16 + 4
u = 16 + 4

Combine like terms: 16 + 4 = 20
u = 20

Simplifying
u = 20

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