3x-7y=8 ,5x+4y=9

1.	3x-7y=8 ,5x+4y=9
Answer» 3x-7y=8 ...........1st5x+4y=9 .............2ndBy elimination method. -5 ×(3x-7y=83 ×(5x+4y=9We get.-15x+35y=-4015x+12y=27On solving them like addition we get.47y=-13 Then y=-13/47Put the value of y in any equation you will get the value of x.Value of x and y will be answer.

Discussion