16-08-2017
Mathematics

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How do you solve this problem?

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16-08-2017

I x + 2 I -8 = 6

I x + 2 I = 6 + 8

I x + 2 I = 14

From the definition of absolute value:

You need to keep in mind that |x| = |-x|, so

you need to solve: (x + 2) = 14 and -(x + 2) = 14

x + 2 = 14

---- x = 12

-x -2 = 14

---- x = -16

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