Respuesta :

Answer:

-4

-7

21

Step-by-step explanation:

a coefficient is the number before the variable

Answer:

-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