Answer:
3x+12
Step-by-step explanation:
The reason the answer is 3x+12 is because of math and math is hard and easy like take a cookie for example it can look soft but be hard or it can look hard and be soft and the point is that you should try even if you think you cant do it.
(Im not saying anything to offend you btw)
(Pls sub to this me)
(Ima make videos soon)