Answer:
-5
Explanation:
You want the numerical coefficient of -5x.
Coefficient
A coefficient is one of the factors in a product. In simple terms consisting of the product of a constant and one or more variables, an unqualified reference to the coefficient is a reference to the constant.
The coefficient can also be that part of the product that multiplies a designated factor.
For example, the coefficient of x in the term "3abxy" is "3aby".
Given term
The numerical coefficient in the term -5x is -5.