-0,4(3х-1)+8(0,8х-0,3)=5-(3,8х+4)
-1.2x+0.4+6.4x-2.4=1-3.8x
5.2x-2=1-3.8x
5.2x+3.8x=2+1
9x=3
x=3:9
x=0.3