Respuesta :

mathstudent55

Answer:

13x - 4

Step-by-step explanation:

16x - 3x - 4 = 13x - 4
13x-4
BECAUSE you can only subtract 16x & 3x because they both have variables. 16x-3x=13x
& since 4 doesn’t have a variable, it can’t do anything with 13x so it’s just at 13x-4