x/(51-X)=14/21

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Solution for x/(51-X)=14/21 equation: 



x/(51-x)=14/21

We move all terms to the left:

x/(51-x)-(14/21)=0



Domain of the equation: (51-x)!=0

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

-x!=-51

x!=-51/-1

x!=+51

x∈R



We add all the numbers together, and all the variables

x/(-1x+51)-(+14/21)=0

We get rid of parentheses

x/(-1x+51)-14/21=0

We calculate fractions


21x/(-21x+1071)+(14x-714)/(-21x+1071)=0

We multiply all the terms by the denominator


21x+(14x-714)=0

We get rid of parentheses

21x+14x-714=0

We add all the numbers together, and all the variables

35x-714=0

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

35x=714

x=714/35

x=20+2/5

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