u-20=8

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Solution for u-20=8 equation: 


Simplifying
u + -20 = 8

Reorder the terms:
-20 + u = 8

Solving
-20 + u = 8

Solving for variable 'u'.

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

Add '20' to each side of the equation.
-20 + 20 + u = 8 + 20

Combine like terms: -20 + 20 = 0
0 + u = 8 + 20
u = 8 + 20

Combine like terms: 8 + 20 = 28
u = 28

Simplifying
u = 28

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