[tex] \text{Let the circulation for newspaper 2 is }X \text{ thousand.}\\ \text{now since the circulation for newspaper 1 is 386 thousand more than the}\\ \text{circulation for newspaper 2, so circulation for newspaper 1}=X+386\\ \\ \text{also since the combined circulation is 2516 thousand, so we have}\\ [/tex]
[tex] \\ X+X+386=2516\\ \\ \Rightarrow 2X+386=2516\\ \\ \Rightarrow 2X=2516-386\\ \\ \Rightarrow 2X=2130\\ \\ \Rightarrow X=\frac{2130}{2}\\ [/tex]
[tex] \\ \Rightarrow X=1065\\ \\ [tex] \text{Therefore, circulation for newspaper 1}=X+386=1065+386=1451 \text{ thousand}\\ \\ \text{And circulation for newspaper 2}=X=1065 \text{ thousand} [/tex]
