3/14=(x-2)/21

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Solution for 3/14=(x-2)/21 equation: 



3/14=(x-2)/21

We move all terms to the left:

3/14-((x-2)/21)=0

We calculate fractions


(-((x-2)*14)/()+()/()=0



We calculate terms in parentheses: +(-((x-2)*14)/()+()/(), so:

-((x-2)*14)/()+()/(

We add all the numbers together, and all the variables

-((x-2)*14)/()+1

We multiply all the terms by the denominator


-((x-2)*14)+1*()



We calculate terms in parentheses: -((x-2)*14), so:

(x-2)*14

We multiply parentheses

14x-28

Back to the equation:

-(14x-28)



We add all the numbers together, and all the variables

-(14x-28)

We get rid of parentheses

-14x+28

Back to the equation:

+(-14x+28)



We get rid of parentheses

-14x+28=0

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

-14x=-28

x=-28/-14

x=+2

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