28=7/5u

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Solution for 28=7/5u equation: 



28=7/5u

We move all terms to the left:

28-(7/5u)=0



Domain of the equation: 5u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+7/5u)+28=0

We get rid of parentheses

-7/5u+28=0

We multiply all the terms by the denominator


28*5u-7=0

Wy multiply elements

140u-7=0

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

140u=7

u=7/140

u=1/20

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