a,,b,c cele trei pungi cu bomboane
a=(b+c)+8
b=c-8=>c=b+8 =>
a=c-8+c+8
a=2c
a=2b+16
b-9=a+c/6
c-8-9=3c/6
c-17=3c/6
6c-102=3c
6c-3c=102
3c=102
c=34 (bomboane in a treia cutie)
a=2c
a=2x 34
a=68 b0mboane in prima cutie
b=c-8
b=34-8
b=26 in a doua cutie
verificare daca in a doua cutie ar fi mai putin cu 9 bomboane
26-9=(68+34)/6
17=102/6
17=17