Respuesta :

Hi, I'd be glad to help you. 

x = 12 

Hope this helps. 
Have a great day! 

PS: I calculated your steps and got the answer didn't think you wanted to much information lol.
tms5
the answer would be D. first you will have to combine like terms. so 3x + x will be 4x = 2x + 24. then subtract 2x from both sides and that will get you to have 2x = 24. after that divide by 2 on both sides. x will be equal to 12