SOLUTION: I've got to use Cramer's rule on this one, and I just don't know how.
2x+z=-10
y-z=15
x-2y+z=-5
I know how to solve 3x3 problems, but I don't know what to do for the missin
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Matrices-and-determiminant
-> SOLUTION: I've got to use Cramer's rule on this one, and I just don't know how.
2x+z=-10
y-z=15
x-2y+z=-5
I know how to solve 3x3 problems, but I don't know what to do for the missin
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Question 246827: I've got to use Cramer's rule on this one, and I just don't know how.
2x+z=-10
y-z=15
x-2y+z=-5
I know how to solve 3x3 problems, but I don't know what to do for the missing variables in this one. Help!! Answer by richwmiller(17219) (Show Source):