SOLUTION: Solve for x and y if 2/x - 3/y = 2 and 4/x + 9/y + 1 = 0
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Question 917720: Solve for x and y if 2/x - 3/y = 2 and 4/x + 9/y + 1 = 0
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
With the "change of variable" and ,
the system of equations turns into
<--> .
Multiplying the first equation times (-2) we get
,
and adding that to the second equation, we get
-->--> .
Substituting that value into we get
-->-->-->--> .
going back to the original variables:
-->
-->
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