Question

Реши уравнения: x+4 2/11=7
3 8/9+a=6 1/9
9 1/5-y=7 3/5
b-3/17=1 16/17
z-4 4/7=2 5/7
5 6/13-c=3 11/13

Answer 1

х+42/11=7
х=11*7
х+42=77
х=77-42
х=35