-20=5+2(f+6)

Solution for -20=5+2(f+6) equation:

-20=5+2(f+6)

We move all terms to the left:

-20-(5+2(f+6))=0


We calculate terms in parentheses: -(5+2(f+6)), so:

5+2(f+6)

determiningTheFunctionDomain
2(f+6)+5

We multiply parentheses

2f+12+5

We add all the numbers together, and all the variables

2f+17

Back to the equation:

-(2f+17)


We get rid of parentheses

-2f-17-20=0

We add all the numbers together, and all the variables

-2f-37=0

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

-2f=37

f=37/-2

f=-18+1/2