7/9=u+3

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Solution for 7/9=u+3 equation: 



7/9=u+3

We move all terms to the left:

7/9-(u+3)=0

We get rid of parentheses

-u-3+7/9=0

We multiply all the terms by the denominator


-u*9+7-3*9=0

We add all the numbers together, and all the variables

-u*9-20=0

Wy multiply elements

-9u-20=0

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

-9u=20

u=20/-9

u=-2+2/9

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