решите:l3,8хl = 0; l 0,2х + 1,8 - 0,35хl = 1,1 * 2,1

l3,8хl=0lxl=0х=0l0.2x+1.8 -0.35xl=1.1*2.1l -0.15x+1.8l=2.312,31 >0-0.15x+1.8=2.31-0.15x=2.31-1.8-0.15x= 0.51x₁= -3.4-0.15x+1.8= -2.31-0.15x=-2.31-1.8-0.15x= -4.110.15x=4.11x₂= 27.4