4=u/12.8

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Solution for 4=u/12.8 equation: 



4=u/12.8

We move all terms to the left:

4-(u/12.8)=0

We add all the numbers together, and all the variables

-(+u/12.8)+4=0

We get rid of parentheses

-u/12.8+4=0

We multiply all the terms by the denominator


-u+4*12.8=0

We add all the numbers together, and all the variables

-1u+51.2=0

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

-u=-51.2

u=-51.2/-1

u=51+0.2/1

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