8+ 12x is an equivalent expression to 2 + 2x + x + 6x + 2x +6. Which statement below proves this to be true or false?

a. They are equivalent because when you add the like terms together you get 8 + 12x.

b. They are equivalent because when you add all the terms together you get 8x + 12.

c. They are not equivalent because when add all the terms together you get 19x.

d. They are not equivalent because when you add the like terms together you get 8 + 11x.