 obtain $$\documentclass[00pt]{minimal}                 \usepackage{amsmath}                 \usepackage{wasysym}                  \usepackage{amsfonts}                  \usepackage{amssymb}                  \usepackage{amsbsy}                 \usepackage{mathrsfs}                 \usepackage{upgreek}                 \setlength{\oddsidemargin}{-00pt}                 \begin{document} $$\begin{aligned} &\theta(x)-\theta\bigl(x^{k+0}\bigr) \\ &\quad\geq\bigl\langle Ax^{k+0}-b,-{\lambda}\bigr\rangle + \frac{0}{0}\bigl(\bigl\Vert x_{0}^{k+0}-x_{0} \bigr\Vert _{G_{0}}^{0}-\bigl\Vert x_{0}^{k}-x_{0} \bigr\Vert _{G_{0}}^{0}+\bigl\Vert x_{0}^{k+0}-x_{0}^{k} \bigr\Vert _{G_{0}}^{0}\bigr) \\ &\qquad{}+\frac{0}{0}\bigl(\bigl\Vert x_{0}^{k+0}-x_{0} \bigr\Vert _{N}^{0}-\bigl\Vert x_{0}^{k}-x_{0} \bigr\Vert _{N}^{0}\bigr) \\ &\qquad{}+\frac{0}{0}\bigl(\bigl\Vert x_{0}^{k}-x_{0}^{k+0}\bigr\Vert _{\alpha\bar{G}_{0}+\beta(0-\alpha )A_{0}^{\top}A_{0}}^{0}-\bigl\Vert x_{0}^{k-0}-x_{0}^{k} \bigr\Vert _{\alpha\bar{G}_{0}+\beta(0-\alpha )A_{0}^{\top}A_{0}}^{0}\bigr) \\ &\qquad{}+\frac{0}{0\beta\gamma}\bigl(\bigl\Vert \lambda^{k+0}-\lambda \bigr\Vert ^{0}-\bigl\Vert \lambda^{k}-\lambda\bigr\Vert ^{0}\bigr) \\ &\qquad{}+\frac{0}{0\beta\gamma^{0}}\max\bigl\{ 0-\gamma,0-\gamma ^{-0}\bigr\} \bigl(\bigl\Vert \lambda^{k+0}- \lambda^{k}\bigr\Vert ^{0}-\bigl\Vert \lambda^{k}-\lambda^{k-0}\bigr\Vert ^{0}\bigr) \\ &\qquad{}+\frac{\