Question

44,62:(7,8+0,5х)+26,51=31,11

Answer 1

44,62 /(7,8 + 0,5х) + 26,51 = 31,11
44,62 + 26,51 * (7,8 + 0,5х) = 31,11 *(7,8 + 0,5х)
44,62 + 206,778 + 13,255х = 242,658 + 15,555х
13,255х -  15,555х = 242,658 - 206,778 - 44,62
- 2,3х = -,8,74
х = -8,74 / - 2,3
х = 3,8