Question 851706
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Hi,
3/u+4/v =1 
 6/u-2/v=1 
x = 1/u and y = 1/v.
I.  3x + 4y = 1
II. 6x - 2y = 1   Multiplying EQ II. by 2 and adding to EQ I to eliminate y
   15x = 3
     x = 1/5 , u = 5
     {{{y = -(3/4)x + 1/4 = -(3/4)(1/5) + 1/4 = 2/20 = 1/10}}}
    y = 1/10, v = 10
CHECKING our answer***
 {{{3/5 + 4/10 = 6/10 + 4/10 = 1}}}   
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