The value of the expression is greater than 0.
What is an expression?
"An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context."
To find the value of the expression
It same as subtracting a negative and adding a positive number. Since x > -18 substitute x as -18 in the expression.
| x - (-18)| = -18 - (-18) = -18 +18 =0
Hence, the value for the expression is > 0.
To learn more about expression here
https://brainly.com/question/14083225
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