4=9/(x+7)

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Solution for 4=9/(x+7) equation: 



4=9/(x+7)

We move all terms to the left:

4-(9/(x+7))=0



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

x∈R



We multiply all the terms by the denominator


-(9+4*(x+7))=0



We calculate terms in parentheses: -(9+4*(x+7)), so:

9+4*(x+7)

determiningTheFunctionDomain
4*(x+7)+9

We multiply parentheses

4x+28+9

We add all the numbers together, and all the variables

4x+37

Back to the equation:

-(4x+37)



We get rid of parentheses

-4x-37=0

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

-4x=37

x=37/-4

x=-9+1/4

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