Question

2/x-3/y=15 8/x+5/y=77

Answer 1

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Answer 2

Answer:

X=1/6

Y=1

Step-by-step explanation:

2/X -3/Y = 15

8/X +5/Y = 77

Let, 1/X=m ----- eq 1 and 1/Y=n --------- eq 2

so, 2m - 3n = 15 -------- eq 3

8m +5n = 77 ------- eq 4

(eq 4) - 4(eg 3)

8m + 5n - 8m + 12n = 77 - 60

17n = 17

n=1

putting n in eq 3

2m - 3*1 = 15

2m = 12

m = 6

putting value of m in eq 1 and value of n in eq 2

1/X = m

1/X = 6

X = 1/6

1/Y = n

1/Y = 1

Y = 1

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