Metoda podstawiania: 8000x = 600000 + 200y 2000y = 116000 + 1600x

8000x = 600000 + 200y 2000y = 116000 + 1600x x=(600000 + 200y)/8000 2000y=116000+1600x x=75 + 0,025y 2000y=116000+1600(75+0,025y) x=75 + 0,025y 2000y=116000+120000+40y x=75 + 0,025y 1960y=236000

8000x = 600000 + 200y 2000y = 116000 + 1600x 8000 x = ( 600000 + 200y ) /: 8000 2000y = 116000 + 1600x x = 75,025 y 2000y = 116000 + (1600*75,025y) 2000y = 116000 + 120040y / : 2000 y =118,02 x= 75,025 * 118,02 x= 8854,45 x= 8854,45 y= 118,02