Factor out the coefficient of the variable term.

Answer:
4(x-5)
Step-by-step explanation:
you find the greatest common factor and in this case it is 4 so you divide everything by 4 and that's how i got the answer
Answer:
4
Step-by-step explanation:
in 4x-20, you take 4x and remove the variable or letter and then you get your answer which is 4