Answer :
x*6+1=31
5*6=30
30+1=31
x*7-4=31
5*7=35
35-4=31
Hope this helps! If you have any questions, just ask me!
5*6=30
30+1=31
x*7-4=31
5*7=35
35-4=31
Hope this helps! If you have any questions, just ask me!