Multiple Choice Identify the letter of the choice that best
completes the statement or answers the question.
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1.
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Add and do NOT simplify: 
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2.
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Add and do NOT simplify: 
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3.
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Subtract and do NOT simplify: 
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4.
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Subtract and do NOT simplify: 
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5.
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Add and simplify:  + 
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6.
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Add and simplify:  + 
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7.
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Subtract and simplify:  - 
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8.
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Subtract and simplify:  - 
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