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Double the difference between 7 and y

User Kevin Yuan
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2(7-y) is the answer
User Will Robinson
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Answer:

Difference indicates subtraction: The difference of a number and 9 is (x−9) Twice the difference means 2(x−9) We know that the answer to this is 2 , so as an equation: 2(x−9)=2.

Explanation:

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User Malisa
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