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Given the four lines with the equations ...

Given the four lines with the equations `x+2y -3 = 0,3x+4y-7=0, 2x +3y - 4 = 0, 4x+5y -6 =0, then

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Here, we are given 4 lines
`x+2y-3=0`
`3x+4y-7=0`
`2x+3y-4=0`
`4x+5y-6=0`
If, we subtract twice of third equation from fourth equation, we get
`y=2` and putting it in any of the equation, we get `x=-1`.
If we put these value in first line equation,
...
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