41x + 53y = 135, 53x +41y =147
Ans: 41x + 53 y = 135, 53 x + 41 y = 147
Add the two equations :
Solve it, to get ... x + y = 3 -------(1) Subtract :
Solve it , to get, .... x - y = 1 --------(2)
From (1) and (2)
x + y = 3 x - y = 1
on solving , we get ... x = 2 and y = 1