SOLUTION: There are only two operations that can be done to expressions that will not change their value. What are they?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: There are only two operations that can be done to expressions that will not change their value. What are they?      Log On


   

Question 68765: There are only two operations that can be done to expressions that will not change their value. What are they?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
multiplication by 1
division by 1