3u+11=20

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Solution for 3u+11=20 equation: 


Simplifying
3u + 11 = 20

Reorder the terms:
11 + 3u = 20

Solving
11 + 3u = 20

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 + 3u = 20 + -11

Combine like terms: 11 + -11 = 0
0 + 3u = 20 + -11
3u = 20 + -11

Combine like terms: 20 + -11 = 9
3u = 9

Divide each side by '3'.
u = 3

Simplifying
u = 3

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