Jawaban:
22°
Penjelasan dengan langkah-langkah:
2x + 30 + 3x + 40 = 180
5x + 70 = 180
5x = 180 - 70
5x = 110
x = 22°
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Jawaban:
22°
Penjelasan dengan langkah-langkah:
2x + 30 + 3x + 40 = 180
5x + 70 = 180
5x = 180 - 70
5x = 110
x = 22°