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​Algebra Introduction: Quiz 1

Simplify the following expressions. 

1) a + a

 

2) b + b + b – b

 

3) 2c + 3c

 

4) 15d – 6d

 

5) 4e + 5f – 6e

 

6) 5g + 6h – 2h + 4g

 

7) 5x² + 4x – 12 – 2x – 4x²

 

8) 12y⁵ – 2y + 2y² – 7y – 5y²

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