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q = a - 4
3p - 2q
= 3(2a - 3) - 2(a - 4)
= 6a - 9 - 2a + 8
= 4a - 1
SEMOGA MEMBANTU
= 6a - 9 - 2a + 8
= 6a - 2a - 9 + 8
= 4a - 1