Question

Решите уровнение:
( 2 1/10 - х) : 8(на восем целых) + 1 2/15 = 1 1/3

Answer 1

21/80 - х/8 + 12/15 = 11/3
 х/8 = 21/80 + 12/15 - 11/3
30 х = 63+ 192 - 880 = - 625
х =  - 625 : 30 = -20 и 5/6