Collin generates an expression equivalent to 7w−5+x−3(w+5)−x and writes it in its simplest form. What is the coefficient of the variable w ?(1 point)

7w−5+x−3(w+5)−x= 7w -5 +x -3w - 15 - x = 4w - 20

The coefficient of the variable w is 4.