Numbers the same distance from zero (linearly) have the same "absolute value" whether positive or negative.
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Each of the numbers is the negative (or additive inverse) of the other.
-6
The easiest way to find the distance between any two numbers on a number line is the bigger number minus the smaller. Here 23 - (-7) = 23+7 = 30. Remember that minus a negative number is the same as plus that number.
The similarity is they both use the same strategy to find a answer and the difference is they are worth different amount
Alternates are fill-in-the-blank version of this Q. are the same distance from a point and a line