What is this answer to this level iii algebra equation? 7x + 8 = 3x + 44

Can someone pls ! pls answer all. no explanation needed..

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x