Respuesta :

the product of a number and 3...
3x

one less then the product of a number and 3..
3x - 1

is means =

5 more then the number itself...
x + 5

3x - 1 = x + 5 <== ur expression
3x - x = 5 + 1
2x = 6
x = 6/2
x = 3 <==