SOLUTION: Please help me solve this: Use the matrix inverse method to solve the system of equations: 3x+6y+3z=12 6x+4y-2z=-4 y- z=-3 This is what I have so far but not sure wh

Algebra ->  Matrices-and-determiminant -> SOLUTION: Please help me solve this: Use the matrix inverse method to solve the system of equations: 3x+6y+3z=12 6x+4y-2z=-4 y- z=-3 This is what I have so far but not sure wh      Log On


   

Question 684556: Please help me solve this:
Use the matrix inverse method to solve the system of equations:
3x+6y+3z=12
6x+4y-2z=-4
y- z=-3

This is what I have so far but not sure what to do next:
[3 6 3] [x] = [2]
[6 4 -2] [y] = [5]
[0 1 -1] [z] = [1]
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
MATRIX INVERSE METHOD
x=1/4
y=1/4
z=13/4