After combining like terms to simplify the equation: 3 - 15x + 24 + 16x = 4x - 24 - 4x , what would be the best next step to finish solving?

a
Divide both sides of the equation by 15
b
Subtract 24 from both sides of the equation
c
Add 3x to both sides of the equation
d
Subtract x from both sides of the equation
e
Subtract 27 from both sides of the equation
f
Add 24 to both sides of the equation

d Subtract x from both sides of the equation