-49/15 -3 4/15...........
Answer:
Simplify 2x - 4) + 7(x + 2).
9x + 6
9x - 4
09x - 6
= 9x+10
Bekzod makes 1.5 liters of lemonade and drinks it all during the afternoon. This is the only one of the examples given that would ultimately equal zero.
The answer is

. I've demonstrated the 'split and combine' method in the image attached.
This principal is based on the fact that you can multiply and divide radicals as you would with regular integers, but you remember that the answers remain as radicals unless the number you're dealing with is a square (e.g. 9, 16, 25).