Hello! For the given problem the inequality will be;
x+4<or equal to 13
this is saying any number (x) plus 4 is equal to or less than 13 and this follows the question of 4 more than a number(x) is no more than 13. So it is saying the sum of these two number can equal or be less than 13.
Hope this helps! Any questions please just ask! Thank you so much!