Penjelasan dengan langkah-langkah:
3(2a + 1) - 4(a - 2)
= 6a + 1 - 4a + 8
= 6a - 4a + 1 + 8
= 2a + 9
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Penjelasan dengan langkah-langkah:
3(2a + 1) - 4(a - 2)
= 6a + 1 - 4a + 8
= 6a - 4a + 1 + 8
= 2a + 9