Answer:
the coefficient of the variable in the given expression is, -3
Explanation:
Coefficient states that a number which is used to multiply a variable.
For example:
4y
here, y is the variable and 4 is the coefficient.
As per the statement:
Given the expression:

Here, x is the variable
By definition of coefficient, we have;
⇒-3 is the coefficient
Therefore, the coefficient of the variable in the given expression is, -3