If 19x-17y=55 and 17x-19y=53, then the value of x-y is . . .

Question : If 19x-17y=55 and 17x-19y=53, then the value of x-y is 

a)1/3

b) -3

c) 3

d) 5

Doubt by Zoha

Ans : c) is the correct option.
Solution : Coming Soon