Question 68523
/-2x/ = /-8/ 
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If -2x is >=0, then |-2x| = -2x
If -2x is < 0, then |-2x| = -(-2x)= 2x
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So you get:
-2x = 8 or 2x=8
x=-4 or x=4
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Cheers,
Stan H.