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What is 9 - 4 (-a + 9) + 3 (7- 2a)
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What is 9 - 4 (-a + 9) + 3 (7- 2a)

User Travis Parks
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1) 9+4a-36+21-6a 2) -2a-6 3) -2a=6 4) a=-3
User Narnian
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