Answer: 1/3(12+x)
Step-by-step explanation:
One third the sum of 12 and a number can be written as 1/3(12+x). This equation can also be simplified to 4 + x/3, but sense the question doesn't ask you to do so, the answer most likely is 1/3(12+x).
Answer:
(12+x)÷3
Step-by-step explanation:
you do twelve plus x because the sum of 12 and a number is just adding 12 to a variable. then to find a third of that you divide by 3