Question

Решить уравнение с дробями 14 9/16 -х =6 3/4 + 1 2/5

Answer 1

14 9/16 - х = 6 3/4 + 1 2/5
14 9/16 -х = 7 + (15/20 + 8/20) = 7 + 1 3/20 = 8  3/20
14 9/16 - х = 8 3/20
х = 14 9/16 - 8 3/20 = 6 + (9/16 - 3/20) = 6 + 45/80 - 12/80 = 6 33/80
х = 6  33/80