Any solution to the system E {\displaystyle {\mathcal {E}}} is of the form [ 3 , 1 , 5 , 8 ] + s [ 2 , 3 , 0 , 1 ] {\displaystyle [3,1,5,8]+s[2,3,0,1]} for some s. Answer [ 3 , 1 , 5 , 8 ] + s [ 2 , 3 , 0 , 1 ] {\displaystyle \color {blue}[3,1,5,8]+s[2,3,0,1]}