30=5u+u

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Solution for 30=5u+u equation: 



30=5u+u

We move all terms to the left:

30-(5u+u)=0

We add all the numbers together, and all the variables

-(+6u)+30=0

We get rid of parentheses

-6u+30=0

We move all terms containing u to the left, all other terms to the right

-6u=-30

u=-30/-6

u=+5

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