8(x-6·2)=41·6x-6·2=41·6÷8x-6·2=5·2x-6·2+6·2=5·2+6·2x=11·4
8(x-6.2)=41.6x-6.2=41.6÷8=5.2x=5.2+6.2=11.4(x-3)÷2=7.5x-3=7.5×2=15x=15+3=18