Respuesta :

Answer:

X=20

Step-by-step explanation:

15+5 is 20 so that is the logical answer

Answer:

x = 20

Step-by-step explanation:

add 5 to both sides to isolate the variable "x"

=> x - 5 = 15

=> x - 5 + 5 = 15 + 5

=> x = 20

hope this helps!! p.s. i really need brainliest :)