If you repost with a question or snapshot, I would be capable of answering it.
Remaining water in the tank is (19/2-19/3) gallons = 57-38/6=19/6 =3 1/6 gallons
Answer:
1) (4,4) 2) (4,0) 3) (6,1)
Step-by-step explanation:


multiply 1 by 2=2 then write
multiply 2 by 2= 4 then write
You start by distributing: 8s-4=7s+12
Combine like terms: 8s-7s=12+4
Solve and get your answer: s=16