Respuesta:
X=30°
Explicación:
10x+40° = 6x+160°
10x-6x = 160°-40°
4x = 120°
X = 30°
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Verified answer
Respuesta:
X=30°
Explicación:
10x+40° = 6x+160°
10x-6x = 160°-40°
4x = 120°
X = 30°