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How do you find the sum #-12+18+(-12)#?

Answer 1

Levi Adams

#-6#

#-1 xx -1 = +1#

#+1 xx -1 =-1#

#-12+18+(-12)#

#6-12=-6

#the plus b#

The plus sign before the bracket and the minus sign after the bracket means it's a plus #xx# a minus sign.

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Answer 2

Skylar Adams

To find the sum of -12, 18, and -12, simply add the numbers together:

[ -12 + 18 + (-12) = -12 + 18 - 12 = -6 ]

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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