X: 1=9, x+48=48, 1•x=5

х/1=9 х=9*1 х=9      х+48=48 х=48-48 х=0 1*х=5 х=5/1 х=5

x : 1 = 9 x = 1 * 9 x = 9 x + 48 = 48 x = 48 - 48 x = 0 1 * x = 5 x = 5 / 1 x = 5