This question is taken from linear equations in two variables in which we have been asked to find the value of variables x and y from the given equations 1/(3x+y)+1/(3x-y)=3/4, 1/2(3x+y)-1/2(3x-y)=-1/8

Kindly give me a detailed solution of this question

RS Aggarwal, Class 10, chapter 3B, question no 36