U-8=4

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Solution for U-8=4 equation: 


Simplifying
U + -8 = 4

Reorder the terms:
-8 + U = 4

Solving
-8 + U = 4

Solving for variable 'U'.

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

Add '8' to each side of the equation.
-8 + 8 + U = 4 + 8

Combine like terms: -8 + 8 = 0
0 + U = 4 + 8
U = 4 + 8

Combine like terms: 4 + 8 = 12
U = 12

Simplifying
U = 12

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