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3. 19a - 7 - 3a + 12a
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2 votes
3. 19a - 7 - 3a + 12a

User Tiago Duarte
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2 Answers

6 votes
You combine the terms. And the answer is 28a-7
User Mcernak
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3.7k points
6 votes

Answer:

19a + 12a - 3a - 7

31a - 3a - 7

28a - 7

7 (4a - 1)

User Ernio
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3.6k points
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