90=-6+6(k+8)

Solution for 90=-6+6(k+8) equation:

90=-6+6(k+8)

We move all terms to the left:

90-(-6+6(k+8))=0


We calculate terms in parentheses: -(-6+6(k+8)), so:

-6+6(k+8)

determiningTheFunctionDomain
6(k+8)-6

We multiply parentheses

6k+48-6

We add all the numbers together, and all the variables

6k+42

Back to the equation:

-(6k+42)


We get rid of parentheses

-6k-42+90=0

We add all the numbers together, and all the variables

-6k+48=0

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

-6k=-48

k=-48/-6

k=+8