Nina Mazumdar wrote: > How about this? > > \begin {align*} > 4x+ 6y -2z &= -4\\ > x -y +2z &= 9\\[-1.4 ex] > \cline{1-2} > 5x + 5y &= 5\\ > x + y &= 1 > \end {align*} I see no line where the \cline contruct occurs; do you see one, Nina ? ** Phil.