3=u+4/9

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Solution for 3=u+4/9 equation: 



3=u+4/9

We move all terms to the left:

3-(u+4/9)=0

We add all the numbers together, and all the variables

-(+u+4/9)+3=0

We get rid of parentheses

-u+3-4/9=0

We multiply all the terms by the denominator


-u*9-4+3*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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