Question

The product of a number and 3 is the sum of the number and 12. What is the number

Answer 1

6

Explanation:

let the number be x , then

3x = x + 12 ( subtract x from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

That is the number is 6

Answer 2

6

Explanation:

3n = n + 12

2n = 12

n = 6