U-18=9

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Solution for U-18=9 equation: 


Simplifying
U + -18 = 9

Reorder the terms:
-18 + U = 9

Solving
-18 + U = 9

Solving for variable 'U'.

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

Add '18' to each side of the equation.
-18 + 18 + U = 9 + 18

Combine like terms: -18 + 18 = 0
0 + U = 9 + 18
U = 9 + 18

Combine like terms: 9 + 18 = 27
U = 27

Simplifying
U = 27

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