solve
Asked by palaksophia | 25th Oct, 2009, 05:48: PM
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 | 26th Oct, 2009, 08:32: AM
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