Answer:
-4 is the coefficient.
Step-by-step explanation:
We are given the expression:

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A coefficient is a <em>term that is multiplied by a variable</em>.
In the expression given, <em>'-4' is getting multiplied by 'x'. </em>
This means that<em> '-4' would be the coefficient in the equation. </em>
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<em>Hope this helps. </em>