Given pair of linear equations 3x + 2y = 5 ;2x – 3y = 7 is………. *
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3x+2y=5—————(1)
2x-3y=7—————(2)
mutiply eq 1 by 2 and eq 2 by 3 we get
6x+4y=10-------------(3)
6x-9y=21--------------(4)
subtract eq 3 and eq 4
6x+4y=10
6x-9y=21
- +. -
---------------
13y=-11
y=-11/13
To be continued....
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