Question

10/x+y + 2/x-y = 4 ; 15/x+y - 5/x-y =-2 solve fast​

Answer 1

Answer;

Let x+y1=u&x−y1=v

then 

(10u+2v=4)3

(15u−5v=−2)2

10u+2=4

u=51

−(30u−10v=−4)

__________________

      16v=16

__________________

v=1;u=51=0.2

x+y1=51;x+y=5

x−y1=1;x−y=1

x+y=5

x−y=1

_________

   2x=6

_________

x=3&y=2

Good morning

Answer 2

Answer:

refers to the attachment hope it helps you

Step-by-step explanation:

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