Răspuns :
a
a+1
a+2
3a+3=-18
3a=-18-3
3a=-21
a=-21:3
a=-7
nr sunt -7 -7+1 = -6 ; -7+2 = -5
a+1
a+2
3a+3=-18
3a=-18-3
3a=-21
a=-21:3
a=-7
nr sunt -7 -7+1 = -6 ; -7+2 = -5
x+(x+1)+(x+2)=-18
3x+3=-18
3x=-18-3
3x=-21
x=-7---I numar
x+1=-7+1=-6----II numar
x+2=-7+2=-5----III numar
3x+3=-18
3x=-18-3
3x=-21
x=-7---I numar
x+1=-7+1=-6----II numar
x+2=-7+2=-5----III numar