For the given matrix equation $($abbreviated Ax $=$ b$).$ M $=$ a$11$ a$12$ a$13$ a$21$ a$22$ a$23$ a$24$ write aut the augmented matrix M$=$ a$11$ a$12$ a$13$ a$14$ b$1,$ a$21$ a$22$ a$23$ a$24$ b$2$To fully reduce M using one elementary row operation. $[12432598][$x$1$ x$2$ x$3$ x$4]=[56]$