Tallyn bought 4 pairs of shoes for 8$ a pair and spent 12$ on a video game. He paid for the shoes and video game using his debit card . The Chang in the balance of serena's Checking account can be represented by the expereshions shown
Original among minus the amount he spent will equal that new amount Let’s say original amount=A New amount=c $per pair =b So A-(4b+12)=c Plug in b A-((4•8)+12)=c A-(32+12)=c A-(44)=c
