[tex]30 = \frac{140 - x}{2 } \\ 30(2) = 140 - x \\ 60 = 140 - x \\ 80 = x[/tex]
Respuesta: 80°✔
Saludos!!
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[tex]30 = \frac{140 - x}{2 } \\ 30(2) = 140 - x \\ 60 = 140 - x \\ 80 = x[/tex]
Respuesta: 80°✔
Saludos!!