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Add & Subtract Terms

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Question
Answer
2x + 6x   8x  
y - 9y   - 8y  
x - ( - 6x)   7x  
a + a - 4a   - 2a  
x + 4 + x - 8   2x - 4  
5x - 8x + 3x   0  
2y - (- 8y)   10y  
5a - 7 - 7a + 4   - 2a - 3  
4x - 6x - 3x   - 5x  
x - 9x - 9 - 6x + 3   -14x -6  
a + 4 - 3a - 4   - 2a  
x - 7 - x - 8   - 15  
2a + b - 6a - 5b   - 4a - 4b  
a + 12a - 4a   9a  
- 6 - 9 - x - 4x   - 15 - 5x  
8 + 6y - 5y - 9   y - 1  
-3x + 7x   4x  


   

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