#### Answer

No.

#### Work Step by Step

If $a$ and $b$ are both nonpositive or both nonnegative: $|a+b|=|a|+|b|$. Otherwise: $|a+b|\lt|a|+|b|$. There is no other possibility.

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Published by
W. H. Freeman

ISBN 10:
1464125260

ISBN 13:
978-1-46412-526-3

No.

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