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If x + 1/y = 1 and y + 2/z = 1 and x = 3, what is the value of the product xyz?

 Jun 26, 2021
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x  +  1/y  =   1

3 +  1/y  =  1

1/y = -2

y  =  -1/2

 

y + 2/z   = 1

-1/2  + 2/z   = 1

2/z  =  3/2

z/2  =  2/3

z  =  4/3

 

xyz  =  (3) (-1/2) (4/3)  =  -2

 

 

cool cool cool

 Jun 26, 2021

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