(1) Solve this system using the substitution method: y = 2x-3; y = (1/2)x-4(2) Solve this application problem using a system of equations: The owner of Jeremy's Garagewants to fill a 55-gallon drum with a 20% winter mixture of antifreeze for is customers. Howmany gallons of 100% antifreeze should he mix with some 12% antifreeze mixture in order to fillthe drum?