. Solve the following system of equations by using matrices: 3x 44y ??6z ??9w =15 2x ??y +w = 2 y +z +w = 3

. Solve the following system of equations by using matrices: 3x 44y â??6z â??9w =15 2x â??y +w = 2 y +z +w = 3 x +y -z =1 Attach the results