11+u=31

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Solution for 11+u=31 equation: 


Simplifying
11 + u = 31

Solving
11 + u = 31

Solving for variable 'u'.

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

Add '-11' to each side of the equation.
11 + -11 + u = 31 + -11

Combine like terms: 11 + -11 = 0
0 + u = 31 + -11
u = 31 + -11

Combine like terms: 31 + -11 = 20
u = 20

Simplifying
u = 20

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