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Answer:
They are not equivalent expressions
Step-by-step explanation:
y + 6 = 15
y = 9
3(y + 6) = 15
y + 6 = 5
y = -1
Common difference between the terms is 36
Formula for nth term is 
27th term is 961
Given :
X, 2X + 11 and 4X - 3 are consecutive terms of an arithmetic sequence
To Find:
We need to find the constant difference between the given terms and also find the nth term . Also find the 27th term .
To find the difference , we need to take the difference of consecutive terms

Both the common differences are equal

First term is 25
second term is 2(25)+11=61
Difference is 61-25=26
Common difference = 36
Use nth term formula is

To find 27th term , replace n with 27

Learn more : brainly.in/question/41142594
Could be as simple as adding area together for the total area of a room if that's not what youre looking for add more details