4 f5 (o complete) This Question: 1 pt Use the Gauss-Jordan elimination method to find all solutions of the system of linear equations. x+ y+ z#-1 12x + 13y + 122# 13 12x+ 11y+ 12z -37 Select the correct choice and, if necessary, fill in the answer box(es) to complete your choice. o A. There is one solution. The solution is x#é³³yåand z-m. Simplify your answers.) B. There are infinitely many solutions. If z is any real number, x and y es Type an expression using z as the variable.) There is no solution. ceÄ° O C. ibre