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Examine the consistency of the system of...

Examine the consistency of the system of equations
`2x - y = 5" "``x + y = 4`

Text Solution

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Given system of equations 2x−y=5 x+y=4
This can be written as
`AX=B`
`A=[[2,-1],[1,1]], X=[[x],[y]], B=[[5],[4]]`
`here |A|=2-(-1)=3`
`=>|A|!=0`
...
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