solve the pair of equation graphically 5x+y=17&2x-2y=2
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5x+y=17. .......(I)
2x-2y=2..........(II)
2multiply with equation (I)
10x2y=34.........(III)
adding equation (II) and (III)
10x+2y=34
+2x-2y=2
12x=36
x=36/12
x=3
2x-2y=2
6-2y=2
-2y=-4
2y=4
y=2
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