How do you figure out how to determine the best method to solve the system of equations then sole the system?
Can't figure out? Don't know what im doing wrong. HELP!!!!!!!!!!!!!!!!
Can't figure out? Don't know what im doing wrong. HELP!!!!!!!!!!!!!!!!
Can't figure out? Don't know what im doing wrong. HELP!!!!!!!!!!!!!!!!

Nicole G.
Hortensia C.
Koon W.