SOLUTION: if x plus 1/y = 1 and y minus 1/z =1, then the value of xyz is ----------- ?

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Question 935073: if x plus 1/y = 1 and y minus 1/z =1, then the value of xyz is ------------?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

if %28x%2B+1%29%2Fy+=+1 =>y=x%2B+1
and %28y-1%29%2Fz+=1=>z=y-1...substitute y
=>z=x%2B1-1
=>z=x

then the value of xyz=x%2A%28x%2B1%29x=x%5E2%28x%2B1%29=x%5E3%2Bx%5E2