Posted by mike on .
2x+4z=8
3x+y+5z=2
x+y2z=4
I need to solve each system of equations by using the inverse of the coefficient matrix. Are these the correct answers. Thank you
x=24
z=14
y=0

Algebra 
Marth,
You can check your answers by plugging those values for x, y, and z into each equation to determine if they work.