<PRE><B>Question 1021791</B>
|x-10| -9 &lt; -1
:
add 9 to both sides of &lt;
:
|x-10| &lt; 8
:
rewrite eliminating the absolute value
:
-8 &lt; x-10 &lt; 8
:
add 10 to all three expressions
:
2 &lt; x &lt; 18
:
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