Question

If I added 12 to a certain number and then double the result, the answer is 42. What is the original number?

Answer 1

Answer:

15 plz mark as brainliest

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Let the number be x

12+2x=42

2x = 42 - 12

= 30

2x = 30

x = 30/2 = 15

pls mark brainliest