Resuelve esta ecuacion 3x + 4 =2x -3-

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Find the difference (8ab+a+2) - (3ab+6)

Ined this is due tomorrow and i dont know the answer can you find all the exponents