Incorrect. Substitute $\displaystyle{\left({x}-{4}\right)}\usepackage{cmbright}\Huge\$ for y in the top equation and solve the new equation: $\displaystyle{3}{x}+{2}{\left({x}-{4}\right)}={22}\usepackage{cmbright}\Huge\$ for x. Use that x value in either equation to solve for y.