Initially, 1/4 of the tank was filled.
After adding 12 gallons, it was 3/4 full.
Increase in fuel filled portion =

So 2/4 of the tank = 12 gallons
1/4 of tank = 12 ÷ 2 = 6 gallons
4/4 of tank = 6×4 = 24 gallons
____________________
Portion remaining to be filled =

Fuel needed = 1/4 × 24 = 6 gallons
So you need 6 more gallons to fill the tank
Answer:
y=3.5x+1.5
Step-by-step explanation:
Move the y to the other side. 7x+3=2y
Divide by 2. 3.5x+1.5=y
Therefore the linear equation is y=3.5x+1.5
Answer:
Step-by-step explanation:
