Question

3,8*(x/2-1 1/6)=19/20

Answer 1

3и4/5 * (1/2х-1и1/6)=19/20
1/2х-1и1/6=19/20 :3и4/5
1/2х=19/20:19/5+1и1/6
1/2х=19/20 *5/19 +1и1/6
1/2х=1/4+1и1/6
1/2х=3/12+1и2/12
1/2х=1и5/12
х=1и5/12 : 1/2
х=1и 5/12 *2
х=2+10/12
х=2и5/6