Co-ordinate Geometry #6

The equations of two equal sides AB and AC of an isosceles triangle ABC are x+y=5 and 7x-y=3 respectively. What will be the equation of the side BC if area of triangle ABC is 5 sq units.

A. x+3y-1=0
B. x-3y+1=0
C. 2x-y=5
D. x+2y=5

Source: Arun Sharma's Quantitative Aptitude for CAT

Solution and explanation pls? I will give the OA after a few discussions

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papgust: Community Manager; Posts: 1537; Joined: Mon Aug 10, 2009 6:10 pm; Thanked: 653 times; Followed by:252 members

by papgust » Tue Oct 20, 2009 1:17 am

Can someone help me solve the prob?

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