Can someone help I need to fill in the blank

Using elimination, what is -4x+2y=-12 4x+8y=-24

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.