24/8=21/x

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Solution for 24/8=21/x equation: 



24/8=21/x

We move all terms to the left:

24/8-(21/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+21/x)+24/8=0

We add all the numbers together, and all the variables

-(+21/x)+3=0

We get rid of parentheses

-21/x+3=0

We multiply all the terms by the denominator


3*x-21=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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