30=4+13(x-4)

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Solution for 30=4+13(x-4) equation: 



30=4+13(x-4)

We move all terms to the left:

30-(4+13(x-4))=0



We calculate terms in parentheses: -(4+13(x-4)), so:

4+13(x-4)

determiningTheFunctionDomain
13(x-4)+4

We multiply parentheses

13x-52+4

We add all the numbers together, and all the variables

13x-48

Back to the equation:

-(13x-48)



We get rid of parentheses

-13x+48+30=0

We add all the numbers together, and all the variables

-13x+78=0

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

-13x=-78

x=-78/-13

x=+6

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