84/(x*7)=4

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Solution for 84/(x*7)=4 equation: 



84/(x*7)=4

We move all terms to the left:

84/(x*7)-(4)=0



Domain of the equation: (x*7)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

84/(+x*7)-4=0

We multiply all the terms by the denominator


-4*(+x*7)+84=0

We multiply parentheses

-28x+84=0

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

-28x=-84

x=-84/-28

x=+3

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