|x −4| if x >4
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x = −4

Step-by-step explanation:

Add x to both sides of the equation. x + 4 + x = − 4 Add x and x . 2 x + 4 = −4

Subtract 4 from both sides of the equation. 2 x = −4 − 4 Subtract 4 from - 4. 2x = −8

Divide each term in 2x = −8 by 2. 2x/2 = −8/2

Cancel the common factor. 2x/ 2 = −8/2 Divide x by  1.  x = −8/2

Divide  −8 by 2. x = −4

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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