Answers

2014-06-05T14:29:29+05:30
11x + 15y + 23 = 0 ---------------------(1)
7x - 2y - 20 = 0  -------------------(2)
2y = 7x - 20
y = 7x/2 - 10        put in equation (1)
11x + 105x/2 -150 + 23 = 0
127x/2 - 127 = 0
x = 2    put in equation (2)
14 - 2y - 20 = 0
y = -3

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2014-06-05T14:47:30+05:30
Soving by substitution method we get x=2 and y=-3
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