3=2/(7+x)

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Solution for 3=2/(7+x) equation: 



3=2/(7+x)

We move all terms to the left:

3-(2/(7+x))=0



Domain of the equation: (7+x))!=0

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

x)!=-7

x!=-7/1

x!=-7

x∈R



We add all the numbers together, and all the variables

-(2/(x+7))+3=0

We multiply all the terms by the denominator


-(2+3*(x+7))=0



We calculate terms in parentheses: -(2+3*(x+7)), so:

2+3*(x+7)

determiningTheFunctionDomain
3*(x+7)+2

We multiply parentheses

3x+21+2

We add all the numbers together, and all the variables

3x+23

Back to the equation:

-(3x+23)



We get rid of parentheses

-3x-23=0

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

-3x=23

x=23/-3

x=-7+2/3

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