This looks pretty i just am not sure how to figure it is the value of the x variable in the solution to the following system of equations? 4x + 2y =12 x − y = 3 −1 5 −2 2

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?