(11/28 - х/1) - 11/28 - 3/28 = 0
(11/28 - 28х/28) - 14/28 = 0
(11-28х)/28 - 14/28 = 0
(11 - 28х - 14)/28 = 0
(-3-28х)/28 = 0 / *28
-3-28х = 0
-28х = 3. / *(-1)
28х = -3
х = (-3)/28 = -0,107
в ответе не уверена
Ответ: (17/28 - x)-11/28=3/28
17/28-x=3/28+11/28
17/28-x=14/28
x=17/28-14/28
x=3/28
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(11/28 - х/1) - 11/28 - 3/28 = 0
(11/28 - 28х/28) - 14/28 = 0
(11-28х)/28 - 14/28 = 0
(11 - 28х - 14)/28 = 0
(-3-28х)/28 = 0 / *28
-3-28х = 0
-28х = 3. / *(-1)
28х = -3
х = (-3)/28 = -0,107
в ответе не уверена
Ответ: (17/28 - x)-11/28=3/28
17/28-x=3/28+11/28
17/28-x=14/28
x=17/28-14/28
x=3/28