63/9=42/x

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Solution for 63/9=42/x equation: 



63/9=42/x

We move all terms to the left:

63/9-(42/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

-(+42/x)+63/9=0

We add all the numbers together, and all the variables

-(+42/x)+7=0

We get rid of parentheses

-42/x+7=0

We multiply all the terms by the denominator


7*x-42=0

We add all the numbers together, and all the variables

7x-42=0

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

7x=42

x=42/7

x=6

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