How did you do #6? I don't understand how you got 6k out of 3(1-2k). I thought when you cleaned up both side it would look like -2k=3(-1k)....how did you get 6k?

thank you soooo much i love you god bless,, i have a test tommorow about this and i know ima do great thanks again

Thank you a million times,you really helped me with my test!

Great video..... Helped a lot

great video, it helped me out a lot

You have no idea how much you helped me! Thank you so much!!!

Thank you , very helpful.

thank you sooo much!!

thanks