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The equation of two equal sides AB and AC of an isosceles triangle ABC are x+y=5 and 7x-y=3, respectively. The the equation of side BC if are `(DeltaABC)=5 unit^2` is

A

x-3y+1=0

B

x-3y-21=0

C

3x+y+2=0

D

3x+y-12=0

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A, B, C, D
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