(30=4n)-(20+3n)

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Solution for (30=4n)-(20+3n) equation: 



(30=4n)-(20+3n)

We move all terms to the left:

(30-(4n)-(20+3n))=0

We add all the numbers together, and all the variables

(30-4n-(3n+20))=0



We calculate terms in parentheses: +(30-4n-(3n+20)), so:

30-4n-(3n+20)

determiningTheFunctionDomain
-4n-(3n+20)+30

We get rid of parentheses

-4n-3n-20+30

We add all the numbers together, and all the variables

-7n+10

Back to the equation:

+(-7n+10)



We get rid of parentheses

-7n+10=0

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

-7n=-10

n=-10/-7

n=1+3/7

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