4=u+8/9

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Solution for 4=u+8/9 equation: 



4=u+8/9

We move all terms to the left:

4-(u+8/9)=0

We add all the numbers together, and all the variables

-(+u+8/9)+4=0

We get rid of parentheses

-u+4-8/9=0

We multiply all the terms by the denominator


-u*9-8+4*9=0

We add all the numbers together, and all the variables

-u*9+28=0

Wy multiply elements

-9u+28=0

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

-9u=-28

u=-28/-9

u=3+1/9

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