Answer:
2) Add 21 to both sides
Step-by-step explanation:
When solving 
for 
, our goal to isolate such that we have set equal to something.
Therefore, we want to start by adding 21 to both sides. This leaves us with 
and we are one step closer to isolating .
I would say B .
They are not like terms because they are not all the same
Answer:
px-qx
Step-by-step explanation:
Answer: Josh sold 11 book shows and Jessica sold 198 books.
Look at the attachment for the work.
Answer:
c
Step-by-step explanation:
