Решите уравнение: - 2 (3,1x - 1) + 3 (1,2x + 1) = - 14,5
-6.2х + 2 + 3.6х + 3 = -14.5 - 2.6х + 5 = - 14.5 -2.6х = -19.5 х = -19.5 : ( -2.6) х = 7.5