Răspuns :

Răspuns:

a+b+c=-6

b=a+1

c=b+1=a+1+1=a+2

a+b+c=a+(a+1)+(a+2)=a+a+1+a+2=3a+3

3a+3=-6

3a=-6-3

3a=-9

a=-9/3

a=-3

b=a+1=-3+1=-2

c=a+2=-3+2=-1

Răspuns:a=-3

b=-2

c=-1