4=2(u-13)

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Solution for 4=2(u-13) equation: 



4=2(u-13)

We move all terms to the left:

4-(2(u-13))=0



We calculate terms in parentheses: -(2(u-13)), so:

2(u-13)

We multiply parentheses

2u-26

Back to the equation:

-(2u-26)



We get rid of parentheses

-2u+26+4=0

We add all the numbers together, and all the variables

-2u+30=0

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

-2u=-30

u=-30/-2

u=+15

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