-5 1/8x + 7 1/4 x = 3 3/8 + 5 3/4
(7 2/8 - 5 1/8) x = 3 3/8 + 5 6/8
2 1/8 x = 9 1/8
x = 9 1/8 : 2 1/8
х=73/8 :17/8
х= 73/8*8/17
х= 73/17
х= 4 5/17
ответ: 4 5/17
7 2/8х-5 1/8х= 3 3/8 + 5 6/8
2 1/8х= 9 1/8
17/8 х= 73/8
х= 73/8:17/8
х= 4 5/17
-5 1/8x + 7 1/4 x = 3 3/8 + 5 3/4
(7 2/8 - 5 1/8) x = 3 3/8 + 5 6/8
2 1/8 x = 9 1/8
x = 9 1/8 : 2 1/8
х=73/8 :17/8
х= 73/8*8/17
х= 73/17
х= 4 5/17
ответ: 4 5/17