0.3(x-2)-0.2(x+4)=19.97

Question

0.3(x-2)-0.2(x+4)=19.97

Answer 1

0,3x-0,6-0,2x-0,8=19,97
0,3x-0,2x=19,97+0,6+0,8
0,1x=21,37
x=21,37:0,1
x=213,7