What theme does this passage most clearly help develop ? A. We must all hope that rational beings will someday return
B. Even very different people can achieve mutual understanding
C. People often get laughed at for speaking up about deep ideas.
D. Life is meaningless , and all human suffering is for nothing .

Please show the question and or the passage itself, I cannot answer your question with the amount of data you have provided

Explanation:

a conclusion based on evidence is an example of a. inference

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4