7x-4y=9;3x+2y=-11 cramers rule
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7x-4y=9
we should take y as x
therefore 7x-4x=9
3(2x)=9
(2x)=9-3
2x=6
x=6/2
x=3
3x+2y=11
we should take y as x
therefore 2x+3x=11
5(2x)=11
2x=11-5
2x=6
x=6/2
x=3
as per data 7x-4y=9+3x+2y=11
3+3
6
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