1. Решите уравнение: Б) 5/6*y - 3/4*y + 1 = 2/3*y - 1/6;

5/6*y - 3/4*y - 2/3*y = -1 - 1/6

(10/12 - 9/12 - 8/12)*y = -7/6

-7/12*y = -7/6

y = (-7/6) / (-7/12)

y = 2