u+11=15

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Solution for u+11=15 equation: 


Simplifying
u + 11 = 15

Reorder the terms:
11 + u = 15

Solving
11 + u = 15

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 = 15 + -11

Combine like terms: 11 + -11 = 0
0 + u = 15 + -11
u = 15 + -11

Combine like terms: 15 + -11 = 4
u = 4

Simplifying
u = 4

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