(7/3x)=21

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Solution for (7/3x)=21 equation: 



(7/3x)=21

We move all terms to the left:

(7/3x)-(21)=0



Domain of the equation: 3x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

(+7/3x)-21=0

We get rid of parentheses

7/3x-21=0

We multiply all the terms by the denominator


-21*3x+7=0

Wy multiply elements

-63x+7=0

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

-63x=-7

x=-7/-63

x=1/9

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