-42=5(2+9)-3(c+8)

Solution for -42=5(2+9)-3(c+8) equation:

-42=5(2+9)-3(c+8)

We move all terms to the left:

-42-(5(2+9)-3(c+8))=0

We add all the numbers together, and all the variables

-(511-3(c+8))-42=0


We calculate terms in parentheses: -(511-3(c+8)), so:

511-3(c+8)

determiningTheFunctionDomain
-3(c+8)+511

We multiply parentheses

-3c-24+511

We add all the numbers together, and all the variables

-3c+487

Back to the equation:

-(-3c+487)


We get rid of parentheses

3c-487-42=0

We add all the numbers together, and all the variables

3c-529=0

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

3c=529

c=529/3

c=176+1/3