(1)x-6=0.3×6,
x-6=1.8,
x-6+6=1.8+6,
x=7.8;
(2)8(x-6.2)=41.6,
8(x-6.2)÷8=41.6÷8,
x-6.2=5.2,
x-6.2+6.2=5.2+6.2,
x=11.4.