Someone please anwser at this point im sad and listening to nirvana​

Nine more than four times a number is the same as one less than twice the number. find the number?

Hey everyone! this question is a challenge question. for 50 points if you wish. all you have to do is answer the correct it has to be correct, in under 50 seconds, and i will make you the ! you want to accept this challenge. i already know! i mean, it's 50 free points! here is the question: 11x2= answer this correct, you get two prizes. don't forget. you only have 50 seconds or it wont happen. get it correct in under 50 seconds! that's not bad. so stop reading this long thing and !

True or false? the sum of the differences (% - 7) is never zero for any distribution consisting of n observations.