Respuesta :

wegnerkolmp2741o

Answer:

C) 2

Step-by-step explanation:

1/x+ 1/y= 1/4 and 1/x-1/y=3/4

Add  the two equations together

1/x+ 1/y= 1/4

1/x-1/y=3/4

---------------------------

2/x = 4/4

2/x =1

Multiply each side by x

2/x *x = 1x

2 =x

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