Best Answer

2(7+5)=n

2(12)=n

24=n

but its an opposite n, so the answer is -24

Q: What is twice the sum of seven and five equals the opposite of n?

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Seven plus five equals 12.

seven minus five equals two. 7 - 5 = 2.

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seven thousand eight hundred forty five

a = 7 a + 5 = 7 + 5 = 12

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