Respuesta:
35°
Procedimiento:
x - 10° + 3x + 2x - 20° = 180°
6x - 30° = 180°
6x = 180° + 30°
6x = 210
x = 210/6
x = 35°
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Verified answer
Respuesta:
35°
Procedimiento:
x - 10° + 3x + 2x - 20° = 180°
6x - 30° = 180°
6x = 180° + 30°
6x = 210
x = 210/6
x = 35°