Question

Solve for x and y
11/x-1/y=10 , 9/x-4/y=5

Answer 1

here is the answer of the question

Answer 2

Let 1/x =a and 1/y = b

11a - b= 10 -----1 , 9a - 4b=5 ------2

Multiply 4 in eq 1,

44a - 4b = 40

-9a + 4b = -5

》35a = 35

a = 1

11a - b = 10

-b = 10-11

-b = -1

b = 1