Consider the linear system Ax=b where A is the matrix

Consider the linear system Ax=b where A is the matrix` [[-4,4,36],[-5,1,29],[1,-1,-9]]`And b is an arbitrary vector` [[b1],[b2],[b3]]`Answer:(Part 1) Is this system solvable for any (Part 2) The system is solvable if vector b satisfies the equation （）b1+（）b2+（）b3=0