Question

найдите корни уравнения

Answer 1

6) (8 7/12-х):20=7/40;8 7/12 - х = (7/40) * 20 ; (= 7/2 = 3 1/2)x = 8 7/12 - 3 6/12x = 5 1/12

8) 44:(х-9 3/4)=1 9/13х-9 3/4 = 44 : (22/13);  (=26)x = 26 + 9 3/4 = 35 3/4