Question

Please help my question is an attachment in the comments. I don't have a lot of time.

Answer 1

Order of operation states
Work on the Parenthesis, then exponent, multiplications, division, addition, subtraction

3 is multiply to the quantity of (a-6), distribute
\(9a-\color{red}{3(a-6)}=-6\)
Distribute 3 into the parenthesis

Answer 2

Let me know when you're done distributing.

Answer 3

\[9a-3a-18=-6\]

Answer 4

@Zale101

Answer 5

You there @Zale101

Answer 6

Combine like terms