Jawaban:
A = 15
Penjelasan dengan langkah-langkah:
Jawab :
46 + ( a + 29 ) + ( 5a + 15 ) = 180
90 + 6a = 180
6a = 180 - 90
6a = 90
90 / 6
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Jawaban:
A = 15
Penjelasan dengan langkah-langkah:
Jawab :
46 + ( a + 29 ) + ( 5a + 15 ) = 180
90 + 6a = 180
6a = 180 - 90
6a = 90
90 / 6
A = 15