u-9.91=3.8

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Solution for u-9.91=3.8 equation: 


Simplifying
u + -9.91 = 3.8

Reorder the terms:
-9.91 + u = 3.8

Solving
-9.91 + u = 3.8

Solving for variable 'u'.

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

Add '9.91' to each side of the equation.
-9.91 + 9.91 + u = 3.8 + 9.91

Combine like terms: -9.91 + 9.91 = 0.00
0.00 + u = 3.8 + 9.91
u = 3.8 + 9.91

Combine like terms: 3.8 + 9.91 = 13.71
u = 13.71

Simplifying
u = 13.71

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