Help pleaseee , don’t really know how to do this :)

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers