Jawab:
4a + 2b - 1
Penjelasan dengan langkah-langkah:
a + 9b - 7
3a - 7b + 6
------------------ +
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Jawab:
4a + 2b - 1
Penjelasan dengan langkah-langkah:
a + 9b - 7
3a - 7b + 6
------------------ +
4a + 2b - 1