geometry, please give answer i know how to I think I did the steps wrong

We get that
[tex]\begin{gathered} m\angle1+m\angle4=180\rightarrow \\ 10x+2+5x+13=180 \\ 15x+15=180 \\ 15x=165 \\ x=\frac{165}{15}=11\rightarrow \\ m\angle1=10\cdot11+2=112 \end{gathered}[/tex]