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Solve: x+2y+z=7, x+3z=11, 2x-3y=1...

Solve: `x+2y+z=7`, `x+3z=11`, `2x-3y=1`

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We have, `x+2y+z=7 ...(i) `
`x+3z=11 ....(ii)`
`2x−3y=1 ..(iii)`
From equation (i), we get
...
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