Can you show the answer choices but I believe is 18
Answer:
-38.4
Step-by-step explanation:
Multiply both sides by 6 to get rid of the /6 then you would get z alone
Answer:
Step-by-step explanation:
20 gallons of water for 5 days...
20/5 = 4 gallons per day
1 gallon = 3.8 liters.....so 4 gallons = (3.8 * 4) = 15.2 liters per day <==
4b+21=-3b+21+7b
4b+21=4b+21
it means that the expression shows an identity