28=7/9u

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Solution for 28=7/9u equation: 



28=7/9u

We move all terms to the left:

28-(7/9u)=0



Domain of the equation: 9u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+7/9u)+28=0

We get rid of parentheses

-7/9u+28=0

We multiply all the terms by the denominator


28*9u-7=0

Wy multiply elements

252u-7=0

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

252u=7

u=7/252

u=1/36

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