Answer
Success!
Opposite of -9 = -(-9) = 9
↓Steps Explained:↓

What is the opposite number of -9?
The opposite of a number n = -n
Find the opposite of -9
Multiply -9 by -1
-1 * -9
Since -9 is negative
the opposite must be positive
Plot this point on a number line

Multiply -9 by -1 to find the opposite:
Opposite of -9 = -(-9) =
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