SOLUTION: x^1+x^2+x^3=0 2x^1-x^2-x^3=-3 x^1-x^2+x^3=0

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Question 302770: x^1+x^2+x^3=0
2x^1-x^2-x^3=-3
x^1-x^2+x^3=0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Are these linear systems of functions of x (x, x%5E2, and x%5E3)?

If so, it doesn't look like there is a solution (no common intersection point for all three graphs).
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Or are these x1, x2, and x3, three variables?
[A]=%28matrix%283%2C3%2C1%2C1%2C1%2C2%2C-1%2C-1%2C1%2C-1%2C1%29%29
[x]=%28matrix%283%2C1%2Cx1%2Cx2%2Cx3%29%29
[b]=%28matrix%283%2C1%2C0%2C-3%2C0%29%29
Then
[A][x]=[b]
[x]=[A]inv[b]
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det[A]=-6
[A]inv=-%281%2F6%29%2A%28matrix%283%2C3%2C-2%2C-2%2C0%2C-3%2C0%2C3%2C-1%2C0%2C-3%29%29
[x]=%28matrix%283%2C1%2C-1%2C0%2C1%29%29
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x1=-1
x2=0
x3=1