Question 73110
3x-y+2z=17,
4x+2y-3z=10, and 
2x+5y-9z=-6. 
Write a determinant to represent the numerator for z.
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z numerator:
1st row: 3 ; -1 ;17
2nd row: 4 ;  2 ;10
3rd row: 2 ;  5 :-6

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Cheers,
Stan H.