Respuesta :

[tex]\begin{gathered} \text{sorry,} \\ 9x+13x+2=90 \\ 22x+2=90 \\ 22x=90-2 \\ 22x=88 \\ x=\frac{88}{22} \\ x=4 \end{gathered}[/tex][tex]\text{angle MEB=9x, since x=4, hnce, angle MEB=36}[/tex]

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