Mishellie11 Mishellie11

24-12-2016
Mathematics

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On the number line below the Numbers eight and B are the same distance from zero what is a plus B explain how you know?

On the number line below the Numbers eight and B are the same distance from zero what is a plus B explain how you know class=

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djsdoodle djsdoodle

25-12-2016

Since b is on the other side of zero and the same distance away from zero, it must be the additive inverse of a. In other words,
b = -a
so
a+b = a+(-a) = 0

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