A travel agent made arrangements for a school team and fans to travel to a tournament. The agent wrote the following equation for the profit she expected to make from the trip P=n(120-n)-50n

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?