Question

x, 3x-1, 4x+2, ...
In the sequence above, each term after the first is 7 greater than the preceding term. What is the value of the either term in the sequence?
The answer is 53 but why :C?

Answer 1

x=x,
x=(3x-1)+7

Answer 2

huh... i had the formula set up weird :l but YAY thank you!

Answer 3

let me dbl check tho

Answer 4

i made a mistake

Answer 5

x+7=3x-1

x=4
so plug it to the 3rd
I think

Answer 6

4, 11, 18, ... yeah that does work! thanks :D

Answer 7

but why 53?

Answer 8

it works that they increase by 7 but where is the 53 coming from?

Answer 9

thats just the correct answer. thats the 8th # in the sequence

Answer 10

i dont understand lol I just now I meet the requirement they go up by 7 :)

Answer 11

no i figured it out now thanks you you. because of the formula u gave me,
4+7(8-1)=53 :3 thank you!!

Answer 12

4+7(8-1)=53 where you get that formula lol ok i wont argue that I am right just as long as you are satisfied with your answer :)

Answer 13

its a continuation of your formula D: because you found out that x=4

Answer 14

Well what is the formula for the 8th term in terms of x?

Answer 15

exactly as i said, basically.
t^8=4+(8-1)
t^8=53