Question

Anyone?? Pls answer I WILL MARK U AS BRAINLIEST:
57/x+y + 6/x-y = 5
38/x+y + 21/x-y =9

Answer 1

Answer:

This is the right answer

MARK U AS BRAINLIEST:

Answer 2

Answer:

Step-by-step explanation:1 / x+y = a

1/ x-y =b

from this,

57a + 6b = 5        ------ equation 1

38a + 21b = 9     ------ equation 2

  from equation 1

6b = 5 - 57a

=>b = 5 - 57a / 6

from equation 2

38a + 21 * [5-57a/6] = 9

38a +105 - 1197a/6 = 9

228a + 105 - 1197a = 9*6

105 - 969a = 54

-969a = -51

a=51/969

a = 1/19              b=5-57a/6

                         ==>b =1/3

1/x+y = 1/19    1/x-y = 1/3

x+y = 19          x-y = 3

x= 11             y = 8