Решите уравнение: -14 - 7b = 28 - (b - 2)
-14 - 7b = 28 - (b - 2) -14 - 7b = 28 -b + 2 - 14 - 28 - 2 = - b + 7b - 44 = 6b b = - 44÷6 b = - 44/6 = - 7 2/6 = - 7 1/3