Answers

2014-11-01T20:00:03+05:30
Take,
x=2k-3 and y=k+2
substitute the values in the following equation
2x+3y+15=0
2(2k-3)+3(k+2)+15=0
4k-6+3k+6+15=0
7k+15=0
7k=-15
k=-15/7
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