-30+u=-20

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Solution for -30+u=-20 equation: 


Simplifying
-30 + u = -20

Solving
-30 + u = -20

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + u = -20 + 30

Combine like terms: -30 + 30 = 0
0 + u = -20 + 30
u = -20 + 30

Combine like terms: -20 + 30 = 10
u = 10

Simplifying
u = 10

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