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What is the coefficient in the expression - X + 21?

User Minjung
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Answer:

there are no like terms

Explanation:

-x + 21 = -x + 21

User Ryan Leach
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The coefficient of the expression -x + 21 is -1.

A coefficient refers to a number or quantity placed with a variable. It is usually an integer that is multiplied by the variable next to it.

The negative sign right next to x represents the coefficient of -1. It's the same thing as -1 • x + 21.
User Diomedes
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