30x/(12+x)=15

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Solution for 30x/(12+x)=15 equation: 



30x/(12+x)=15

We move all terms to the left:

30x/(12+x)-(15)=0



Domain of the equation: (12+x)!=0

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

x!=-12

x∈R



We add all the numbers together, and all the variables

30x/(x+12)-15=0

We multiply all the terms by the denominator


30x-15*(x+12)=0

We multiply parentheses

30x-15x-180=0

We add all the numbers together, and all the variables

15x-180=0

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

15x=180

x=180/15

x=12

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