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 :)