1,064:(0,4х-0,8)=0,14

Question

1,064:(0,4х-0,8)=0,14

Answer 1

1,064=(0,4х-0,8)*0,14
1,064=0,056х-0,112
1,064+0,122=0,056х
1,176=0,056х
х=1,176/0,056
х=21

Answer 2

ОТВ:21.......................