Question

Can someone explain how to multiply everything out? You should get 33j-198=27j from (j - 6)(11) = (j)(9). Rewarding medal and fan

Answer 1

So we want to expand the brackets:
11(j-6) = (j)(9)
11*j - 11*6 = 9*j
11j - 66 = 9j
Then you can times by 3 to get the answer you have given.

Answer 2

why do I multiply by 3 after I cross multiply?

Answer 3

It's not cross multiplying, it's called distributing. here is a reference http://www.purplemath.com/modules/simparen.htm

Answer 4

and, just so you end up with the answer they want