SOLUTION: 3x+2y-z=8
-3x+4y+5z=-14
x-3y+4z=-14
Can you help me solve that
Algebra.Com
Question 312366: 3x+2y-z=8
-3x+4y+5z=-14
x-3y+4z=-14
Can you help me solve that
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Are matrix methods OK?
I found the inverse of the coefficient matrix and multiplied it by the right hand side.
.
.
[A][x]=[b]
[A]inv[A][x]=[A]inv[b]
[x]=[A]inv[b]
.
.
where
[A]=
[x]=
[b]=
to get
[x]=
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