\"\"

\

The expression is \"\".

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\"\"                   (Substitute \"\"8 for a)

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\"\".                        (Absolute value of \"\"8 is 8 and it is 8 units from zero)

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Locate the integers \"\"8 and “9 on the number line.\"\"\"\"

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Rewrite the expression,

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= 9 + 8

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= 17                               (Add: 9 + 8 = 17)\"\"

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The value of the expression is 17.