Question

correct answer will be Mark as brainleast answer​

Answer 1

Answer:

here is your answer

Step-by-step explanation:

2x+x=15

3x=15

x=15/3

5

Answer 2

Step-by-step explanation:

let the number be x.

then, According to question,

2x + x = 15

or, 3x = 15

or, x = 5.