Ответ:
а) 12a - 16 = 4(3a - 4)
б) -25a + 35b = 35b - 25a = 5(7b - 5b)
в) 12c - 18d + 3 = 3(4c - 6d + 1)
г) -7a - 11b + 15c = -1(7a + 11b - 15c)
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Ответ:
а) 12a - 16 = 4(3a - 4)
б) -25a + 35b = 35b - 25a = 5(7b - 5b)
в) 12c - 18d + 3 = 3(4c - 6d + 1)
г) -7a - 11b + 15c = -1(7a + 11b - 15c)