Find the product of 3 and 2y-4x=8

Graph the equation by plotting point x=2

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?