Correct. $\displaystyle{x}-{2}={0}\usepackage{cmbright}\Huge\$ or $\displaystyle{x}-{5}={0}\usepackage{cmbright}\Huge\$ , so $\displaystyle{x}={2}\usepackage{cmbright}\Huge\$ or $\displaystyle{x}={5}\usepackage{cmbright}\Huge\$ . The other solution is 5.