Question

31=7X-11,AJUTATIMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

Answer 1

31+11=7x
42=7x
x=42:7
x=6

Answer 2

31=7x-11
putem sa scrim ecuatia invers asa 7x-11=31 
7x+31=11
7x=42
x=42:7
x=6   S{6}