Penjelasan dengan langkah-langkah:
5x + 2x + 90° + 123° = 360°
7x + 213° = 360°
7x = 360° - 213°
x = 147/7 = 21°
Jadi, nilai x adalah 21°
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Penjelasan dengan langkah-langkah:
5x + 2x + 90° + 123° = 360°
7x + 213° = 360°
7x = 360° - 213°
x = 147/7 = 21°
Jadi, nilai x adalah 21°