It is essential that you use the symbol " ^ " to denote exponention. See the following changes I have made.
9u^2v and which term or terms are like terms? 15u^2v. Why? because both have "u^2" in them.
The answer to this is 12.
One third of 12 is 4.
12+4=16
Comment if you have ANY questions!
Hope this helps!
Answer:
x=3
Step-by-step explanation:
0 = x -3
-x = -3
change the sign to positive so x= 3
