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5

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Buddy Pacocha

Lvl 10
3y ago
This answer is:
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Wiki User

14y ago

That number is -5.

x + -16 = -21

x = -21 + 16

x = -5

Checking:

-5 + -16 = -21

-21 = -21

This answer is:
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Q: A number increased by -16 is -21?
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