if 5 is added to a number and the sum is tripled, the result is 31 more than the number. find the number

if 5 is added to a number and the sum is tripled, the result is 31 more than the number. find the number.

x = number
If 5 is added to a number = x + 5
And the sum is tripled = 3(x + 5)
31 more than the number = x + 31
3(x + 5) = x + 31
3x+15=x+31
3x-x=31-15
2x=16
2x/2 = 16/2
X = 8