-28=7/4u

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Solution for -28=7/4u equation: 



-28=7/4u

We move all terms to the left:

-28-(7/4u)=0



Domain of the equation: 4u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+7/4u)-28=0

We get rid of parentheses

-7/4u-28=0

We multiply all the terms by the denominator


-28*4u-7=0

Wy multiply elements

-112u-7=0

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

-112u=7

u=7/-112

u=-1/16

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