x/(x+3)=9/10

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Solution for x/(x+3)=9/10 equation: 



x/(x+3)=9/10

We move all terms to the left:

x/(x+3)-(9/10)=0



Domain of the equation: (x+3)!=0

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

x!=-3

x∈R



We add all the numbers together, and all the variables

x/(x+3)-(+9/10)=0

We get rid of parentheses

x/(x+3)-9/10=0

We calculate fractions


10x/(10x+30)+(-9x-27)/(10x+30)=0

We multiply all the terms by the denominator


10x+(-9x-27)=0

We get rid of parentheses

10x-9x-27=0

We add all the numbers together, and all the variables

x-27=0

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

x=27

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