0,4(x+2)= 1,8(x-5)= 3(x+1,6)=
1)0.4(x+2)=0.4x+0.8 x=0.4+0.8 x=1.2 2)1.8(x-5)=1.8x-9 x=1.8-9=-(9-1.8) x=-7.2 3)3(x+1.6)=3x+4.8 x=3+4.8 x=7.8