Respuesta:
x = 12°
Explicación paso a paso:
2x + 3x + 40 + 20 = 7x + 2x + x
5x + 60 =10x
60 = 5x
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Respuesta:
x = 12°
Explicación paso a paso:
2x + 3x + 40 + 20 = 7x + 2x + x
5x + 60 =10x
60 = 5x
x = 12°