U-9=11

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Solution for U-9=11 equation: 


Simplifying
U + -9 = 11

Reorder the terms:
-9 + U = 11

Solving
-9 + U = 11

Solving for variable 'U'.

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

Add '9' to each side of the equation.
-9 + 9 + U = 11 + 9

Combine like terms: -9 + 9 = 0
0 + U = 11 + 9
U = 11 + 9

Combine like terms: 11 + 9 = 20
U = 20

Simplifying
U = 20

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