Respuesta :

Answer:

3 × (x + 7)

three × (a number, commonly x + 7)

Answer:

3 * (7 + n)

Step-by-step explanation:

Three times - '3 *'

The sum of a number and 7 -  '(7 + n)'

"Three times the sum of a number and 7” would be '3 * (7 + n)'.

Hope this helps.