Question

Using matrices, solve the following system of equations. 3x + 4y + 7z = 4, 2x – y + 3z = –3, x + 2y – 3z = 8

Answer 1

The given system of linear equations may be written in matrix form as
AX= B Where

Equating the corresponding elements we get
x = 1, y = 2, z = -1