[latex]2(n+5)=-2\\2n+10=-2\\2n=-2-10\\2n=-12\\n=-6[/latex]

[latex]. 2(n+5)=-2\ \ \ | \ multiply\ both\ sides\ by \ 10 \\\\ 2(n+5)=-20\\ \\2n+10=-20\ \ |\ subtract\ 10 \ to\ both\ sides\\\\2n=-30 \ \ | \ divide \ both \ sides\ by\ 2 \\\\n=-15[/latex]