Valorile posibile ale lui x :
1. 6/x => x>6 = 7, 8, 9, 10, 11.....;
2. 8/x+3=> x= 6, 7, 8, 9......( 6+3=9;7+3=10...) ;
3. x-2/3=> x=4, 3. ;
4. 2x/2+4=> x= 1, 2. ;
5. 2x/3+5=> x=1, 2, 3. ;
