Answer:
Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. This method is used to kill certain bacteria and other microbes in tap water as chlorine is highly toxic to those microorganisms. Answer via google.
Step-by-step explanation:
-3(8-10) subtracting is the same as adding the opposite
-3(-2) multi. Negative times a negative becomes a positive
6
If you replace 2 with x you will get 1 = 1
This means the anwser is :
x = 2
See https://web2.0calc.com/questions/help-please_82538.
