Respuesta :

the sum of the angles of a triangle is 180°, therefore

[tex]\begin{gathered} x+2x+2+3x+4=180 \\ 6x+6=180 \\ 6x+6-6=180-6 \\ 6x=174 \\ \frac{6x}{6}=\frac{174}{6} \\ x=29 \end{gathered}[/tex]

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