2 (ax-by)+(a+4b)=02(bx+ay)+(b-4a)=0This is question of pair of linear equation in two variable...

2 (ax-by)+(a+4b)=02(bx+ay)+(b-4a)=0This is question of pair of linear

1.	2 (ax-by)+(a+4b)=02(bx+ay)+(b-4a)=0This is question of pair of linear equation in two variable...
Answer» I have done.. Thnx for suggestion... Bracket open krke subtract n sumplify....