SOLUTION: solve for y in the equation 3/x - 4/y + 6/z = 1 9/x + 8/y - 12/z = 3 9/x - 4/y + 12/z = 4

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Question 883491: solve for y in the equation
3/x - 4/y + 6/z = 1
9/x + 8/y - 12/z = 3
9/x - 4/y + 12/z = 4

Answer by KMST(5328)   (Show Source): You can put this solution on YOUR website!
It is easy to solve the system if we make
, , and
After that, we just write
and solve for .
Multiplying the first equation times 2 and adding the second equation we get


_________________
----> --->
Adding the second and third equations we get


_________________

With the two resulting equations without a , we solve for
---> -->-->-->-->
So, ---> --->

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