4/7u=12

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Solution for 4/7u=12 equation: 



4/7u=12

We move all terms to the left:

4/7u-(12)=0



Domain of the equation: 7u!=0

u!=0/7

u!=0

u∈R



We multiply all the terms by the denominator


-12*7u+4=0

Wy multiply elements

-84u+4=0

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

-84u=-4

u=-4/-84

u=1/21

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