-18=3+4(c-9)

Solution for -18=3+4(c-9) equation:

-18=3+4(c-9)

We move all terms to the left:

-18-(3+4(c-9))=0


We calculate terms in parentheses: -(3+4(c-9)), so:

3+4(c-9)

determiningTheFunctionDomain
4(c-9)+3

We multiply parentheses

4c-36+3

We add all the numbers together, and all the variables

4c-33

Back to the equation:

-(4c-33)


We get rid of parentheses

-4c+33-18=0

We add all the numbers together, and all the variables

-4c+15=0

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

-4c=-15

c=-15/-4

c=3+3/4