What is 18 minus a negative 18?

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Since minus a negative is the same as a plus, then 18 - (-18) is the same as 18+18 = 36
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What is negative 12 plus 18 minus negative fifteen?

-12 + 18 - (-15) = -12 + 18 +15 = 21

(Positive) 7.

What is negative 18 minus positive 12?

Negative 18 minus positive 12 is negative 30.

18-(-16) = 34

20

How do you do negative 18 minus 36?

18-36=-18 * * * * * That is 18 minus 36. But the question was about negative 18 minus 36. The answer to the question is -18 - 36 = -54

negative 81

What is 7 minus 18 minus 13?

7 - 18 - 13 = -24

+ 324

100 - -18 =118

15 is.

What is 18 minus negative 2?

20 The use of the two negatives works out to an addition.

What is negative 18 minus a negative 25?

(-18) - (-25) = 7

What is negative 18 minus 9?

-18 minus 9 is -27

-17 - 18 = -35
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What negative 18 minus negative 18?

-18--18=0 . when there are 2 minuses together they go to a positive(+) . -18+18=0
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Why is 18 minus negative 10 equal to 28?

Because - - 10 is the same as +10 and so 18- -10 = 28