5+u=20

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Solution for 5+u=20 equation: 


Simplifying
5 + u = 20

Solving
5 + u = 20

Solving for variable 'u'.

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

Add '-5' to each side of the equation.
5 + -5 + u = 20 + -5

Combine like terms: 5 + -5 = 0
0 + u = 20 + -5
u = 20 + -5

Combine like terms: 20 + -5 = 15
u = 15

Simplifying
u = 15

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