4=u+13/9

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Solution for 4=u+13/9 equation: 



4=u+13/9

We move all terms to the left:

4-(u+13/9)=0

We add all the numbers together, and all the variables

-(+u+13/9)+4=0

We get rid of parentheses

-u+4-13/9=0

We multiply all the terms by the denominator


-u*9-13+4*9=0

We add all the numbers together, and all the variables

-u*9+23=0

Wy multiply elements

-9u+23=0

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

-9u=-23

u=-23/-9

u=2+5/9

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