(-4)×(-1 1/3)×(2x-8 2/5)=0
(-4)*(-11/3)*(2х-82/5)=0
44/3*(2х-16,4)=0
88х/3-721,6/3=0
88х-721,6=0
х=721,6/88
х=8,2
(-4)*(-11/3)*(2*8,2-82/5)=0
44/3*(16,4-16,4)=0
44/3*0=0
0=0(верно)