
Amber M. answered 08/16/19
Professor of Physics, Author
First we must combine like terms. Put all the x's together:
14x + 2x + 16 - 4x -19 = 12x +16 -19
Next we need to combine the constant. We can not mix them with the variable (x) terms:
14x + 2x + 16 - 4x -19 = 12x +16 -19 = 12x - 3
So 14x + 2x + 16 - 4x -19 is equivalent to 12x - 3.