a has a positive vaule because of the negitive
Answer:
Step-by-step explanation: (7x+4)-(x-8)
=7x+4-x+8
=5x+12
You gotta subtract them by each other, then convert to liters cause it asks in liters.
The difference of 2 values just means subtracting.
8.5-1.1=7.4
A gallon is 3.785 liters.
Now you just multiply 7.4 by 3.785 to get your answer
The answer is 28.009 liters. But its close enough to 28 to round it off to 28 liters. (Hopefully your teacher wont mind. Lol)
Brainliest my answer if it helps you out?
Answer:
y=7
Step-by-step explanation:
x+y=12
x=5
12-5=7