Question

19×-12×=3,192
3×+5×+0,26=6,7
6×-11,4=3,48
4,18-12×=3,22

Answer 1

1) 7х=3,192
х=0,456
2) 8х+0,26=6,7
8х=6,44
х=0,805
3) 6х=14,88
х=2,48
4) 12х=0,96
х=0,08