0,3х - 1,5 * (0,2х + 4) = 2/3х - 8,02
0,3х - 0,3х - 6 = 2/3х - 8,02
- 6 + 8,02 = 2/3х
2/3х = 2,02
х = 2,02 : 2/3
х = 202/100 : 2/3 = 202/100 * 3/2 = 303/100
х = 3,03