Respuesta :
Answer:
6
Step-by-step 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:
6
Step-by-step 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