Answer:
let's see what to do buddy....
Step-by-step explanation:

X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Answer: A is correct
Step-by-step explanation: I took the test and I got 100
Answer:
700 is your answer
Step-by-step explanation:
ok so 5x120=600 +100=700 so 700 is your answer