Linear System Using Matrices

[johnny23o]

Solve the following linear system using matrices:

2x-y+3z=-4
x-2y+z=-1
x-5y+2z+-3

Aug.
2,-1,3 -4
1,-2,1 -1
1,-5,2 -3

I have written the equation into augmented what is next?
help would be very appreciated/

[Martingale]

Solve the following linear system using matrices:

2x-y+3z=-4
x-2y+z=-1
x-5y+2z+-3

Aug.
2,-1,3 -4
1,-2,1 -1
1,-5,2 -3

I have written the equation into augmented what is next?
help would be very appreciated/

Use Elementary row operations to get the matrix in REF or RREF

[johnny23o]

Thank you for your help