Помогите решить уравнение (дробь1/4+1/5 )*x=1 4/5  (2 1/12 - 1 5/6)*x=3/4

Решение на первое равенство.

(1/4+1/5 )*x=1 4/5   5+4                 9---------  *  x = --------  20                  59/20 * x = 9/5x = 9/5 : 9/20x = 9/5 * 20/9x = 4-------------------------(1/4+1/5)*4=9/5 ili 1 4/5(2 1/12 - 1 5/6)*x=3/425-22/12 * x = 3/43/12 * x = 3/4x = 3/4 : 3/12x  = 3/4 * 12/3x = 3----------------------------(2 1/12 - 1 5/6)*3=3/4