Help me with this please

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Your car's gasoline tank holds 18 gallons of gasoline. on a trip in canada, the tank is one-quarter full. you want to fill the tank. how many liters of gasoline are needed to fill the tank