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Which one? A. B. C. or D? ​
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Which one?
A. B. C. or D? ​

Which one? A. B. C. or D? ​-example-1
User Mike JS Choi
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1 Answer

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The answer is D .
Step 1. When there is a minus in front of an expression in parentheses, change the sign of each term in the expression.
-> 2 - 7 + 7 + 6
Step 2. Since two opposites add up to zero, remove them from the expression.
-> 2 + 6 = 8
User Vugar Abdullayev
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