Question

http://prntscr.com/54434x

Answer 1

First since you are dividing by 3, what do you think you will do to each side to get rid of that 3 on the left?

Answer 2

To start off, multiply each side by 3 to get rid of the /3.
Then, bring the -7 over to the other side by adding 7 to each side
Lastly, divide each side by 2 to get the answer.

Answer 3

add 3?

Answer 4

not quite you will multiply each side by 3
so what is 15*3?