LaTeX.org

Hello. I found an answer to your question. You can use \left.\begin{cases} and \end{cases}\right\} to make 2 braces with 2 lines aligned to the left.

\documentclass[11pt]{article}

\usepackage{mathptmx}
\usepackage{mathrsfs}
\usepackage{mathtools}
\usepackage{amsmath}
\usepackage{amssymb ...