Given that
7x-2y= 11 .....(1)
3x+4y=6 ........(2)
Multiply equation (1) by 2 and add eq. (2) to it
14x-4y = 22
+ 3x + 4y = 6
-------------------------------
=> 17x = 28
=> x = 28/17
and y = 9/34
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