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 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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