Solve system of linear equations, using matrix method.
2x – y = –2
3x + 4y = 3
The given system of equations is:
2x - y = -2
3x + 4y = 3
The given system of equations can be written in the form of AX = B, where
Now |A| = 2(4)-3(-1) = 11 ≠ 0.
∴ A is a non-singular matrix and hence A-1 exists.
Now
So
And
So
Hence