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(i) `x-3y+z=-1` `2x+y-4z=-1` `6x-7y+8z=7` (ii) `x+2y+5z=23` `3x+y+4z=26` `6x+y+7z=47`

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(i) `x-3y+z=-1`
`2x+y-4z=-1`
`6x-7y+8z=7`
(ii) `x+2y+5z=23`
`3x+y+4z=26`
`6x+y+7z=47`
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1 Answer

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by (44.8k points)
Correct Answer - (i) `x=1,y=1,z=1`
`x=4,y=2,z=3`
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