Question 733647
Let the number be n


if 4 is added to a number and the sum is tripled the result is 28 more than the number.


4 is added to the number and the sum is tripled
3 * ( n + 4)


3 * ( n + 4) = n + 28

Solving the equation

3n + 12 = n + 28
3n - n = 28 -12
2n = 16
n =8


Number is 8