20=-6+9(k-8)

Solution for 20=-6+9(k-8) equation:

20=-6+9(k-8)

We move all terms to the left:

20-(-6+9(k-8))=0


We calculate terms in parentheses: -(-6+9(k-8)), so:

-6+9(k-8)

determiningTheFunctionDomain
9(k-8)-6

We multiply parentheses

9k-72-6

We add all the numbers together, and all the variables

9k-78

Back to the equation:

-(9k-78)


We get rid of parentheses

-9k+78+20=0

We add all the numbers together, and all the variables

-9k+98=0

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

-9k=-98

k=-98/-9

k=10+8/9