[tex]\begin{gathered} \text{ Since } \\ m\angle1+m\angle2=m\angle WXZ \\ and\text{ } \\ m\angle1=m\angle2+15º\text{, we have} \end{gathered}[/tex][tex]\begin{gathered} m\angle2+15º+m\angle2=m\angle WXZ \\ 2(m\angle2)+15º=97º \\ 2(m\angle2)=97º-15º \\ 2(m\angle2)=82º \\ m\angle2=\frac{82º}{2} \\ \text{thus } \\ m\angle2=41º \end{gathered}[/tex]
