Answer:
number is 8
Step-by-step explanation:
let the number be n then the product of 3 and number is 3n , so
3n + 7 = n + 23 ( subtract n from both sides )
2n + 7 = 23 ( subtract 7 from both sides )
2n = 16 ( divide both sides by 2 )
n = 8
That is the required number is 8