19/20-x=11/20-9/20 pomoqite

Question

19/20-x=11/20-9/20 pomoqite

Answer 1

19/20 - х = 2/20
х = 19/20 - 2/20
х = 17/20

Answer 2

Два варианта решений:
19/20 -х= 2/20
х= 17/20;
или
19/(20-х)= 2/20
20-х= 19*20*1/2
20-х= 190
х= -170.