Respuesta :
Answer:
-x + 23
Step-by-step explanation:
you add like terms together, so 2x - 3x = -x
then 15+8 is 23
so you're left with -x+23
you need to combine the like terms, so your answer would be
-1x+23
hope this helped, feel free to mark me as brainliest :)
-1x+23
hope this helped, feel free to mark me as brainliest :)