2/3 * х = х + 49/35
-1/3 * х = 49/35
х = -21/5
Проверка:
-21/5
-21/5 * 2/3 = -14/5
-21/5 - (-14/5) = -21/5 +14/5 = 7/5
7/5 = 49/35
ответ: -21/5
2/3 * х = х + 49/35
-1/3 * х = 49/35
х = -21/5
Проверка:
-21/5
-21/5 * 2/3 = -14/5
-21/5 - (-14/5) = -21/5 +14/5 = 7/5
7/5 = 49/35
ответ: -21/5