(11а+14)-(5а-8)=25 решение

(11a + 14) - (5a - 8) = 25 решение:

11a + 14 - 5a + 8 = 25 11a - 5a + 14 + 8 = 25 (11a - 5a) + (14 + 8) = 25 6a + 22 = 25 6a = 25 - 22 6a = 3 a = 3/6 a = 0.5

Ответ: a = 0.5