What are the coefficients of - 4x - 7y + 21z?

-4, - 7, 21

Step-by-step explanation:

Coefficients are a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e. g. 4 in 4x)

So in this problem - 4, - 7 and 21 are the coefficients

-4

-7

21

Step-by-step explanation:

a coefficient is the number before the variable