6.5 gallons = 24.6052 liters
6.5 has 2 significant figures, so it would need to be 25 liters
Did you mean +7 because there can’t be more than two equal signs
For this equation we are factoring. When you do this. You get the answer of:
(-3x²+8x-7)
Yes, 12 quarts indeed equals 24 pints!