Salut!
Aleg varianta mai logica, in care (b+10)/2
a+12=b-12
a=b-24
2a=2b-48
a+10=(b+10):2
2a+20=b+10
2a=b-10
b-10=2b-48
b-2b=-48+10
-b=-38
b=38
a=38-24
a=14
Succes!
