Solve the following pairs of linear equations: 2/x + 2/3y = 1/6 2/x - 1/y = 1

Substituting in above equations we get, .......(i) 2a - b = 1 .......(ii) Subtracting eq. (ii) from (i) we get, Substituting value of b in eq (ii), Hence, x = 4 and y = -2.