SOLUTION: Solve the following system of equations using the inverse matrix method. x+3y=6 x-2z=-1 3y+z=5 x= y= z=

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve the following system of equations using the inverse matrix method. x+3y=6 x-2z=-1 3y+z=5 x= y= z=      Log On


   

Question 317271: Solve the following system of equations using the inverse matrix method.
x+3y=6
x-2z=-1
3y+z=5
x=
y=
z=
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%283%2C3%2C1%2C3%2C0%2C1%2C0%2C-2%2C0%2C3%2C1%29%29
[x]=%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29
[b]=%28matrix%283%2C1%2C6%2C-1%2C5%29%29
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det[A]=3
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[A]inv=%281%2F3%29%2A%28matrix%283%2C3%2C+6%2C-3%2C-6%2C-1%2C1%2C2%2C3%2C-3%2C-3%29%29
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[x]=%28matrix%283%2C1%2C3%2C1%2C2%29%29