Each pair of equations below is equivalent. What was done to the first to get the second; in other words something was done to both sides of the first equation to "turn it into" the second equation - what was done to the first equation?

Question

Each pair of equations below is equivalent.  What was done to the first to get the second; in other words something was done to both sides of the first equation to "turn it into" the second equation -  what was done to the first equation?

Any help would be very much appreciated.

bob · Answer

there are no equations

Gamzee :o) · Answer

I know, that's what had me confused as well. On my paper there aren't any equations to be shown.