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CBSE Class 10 Answered

solve
Asked by palaksophia | 25 Oct, 2009, 05:48: PM
answered-by-expert Expert Answer

take 1/x=u and 1/y=v

so the equations become

u-2v=-2...(i)

2u+v=16...(ii)

multiplying (i) by 2 and solving both equations we get,

2u-4v=-4

2u+v=16

solving,we get,

v=4

u=6

so

x=1/6

y=1/4

substituting this in the  equation, 2y=qx+5, we get

q=-27

 

Answered by | 26 Oct, 2009, 08:32: AM

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