Question

Х:6=6. Х•7=42. 36:х=4. 9•х=45

Answer 1

1.х=36
2.42:7=6
3.36:4=9
4.45:9=5

Answer 2

х:6=6
х=6*6
х=36

х*7=42
х=42:7
х=6

36:х=4
х=36:4
х=9

9*х=45
х=45:9
х=5