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Simplify add and subtract
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Avg score: 61% Most missed: “3a ² + 6a ²”
Simplify add and subtract
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10 Questions

1. 9a + 3a

2. 4a + 2b

3. 3a + 3a ² - 6a ² + 7a

4. 15a - 9a

5. ab + ab

6. 3a + 4ab + 5a - 6ab

7. 4a ² + 4a

8. 3b + 2b + 2a

9. 3a ² + 6a ²

10. 3ab - 7ab