Respuesta :

DeannaJ
the number is 3
3x3=9 
9+6=15
penfila11Pen
product of number added to six is fifteen
3n + 6 = 15
take 6 to the right side
3n + 6 - 6 = 15 - 6
3n = 9

Divide by 3 to isolate the unknown number n
[tex] \frac{3n}{3} = \frac{9}{3} [/tex]
3 and 3 cancels out
n = 3

The number is 3