Answer: Both Oliver and Noah come from a poor social background, but while Oliver's parentage is unknown, Noah's is known. Even though Noah is almost as poor as Oliver, he considers himself superior to Oliver.
The answer is B
Both sides include at the making it parallel
3.2 - 5.1n - 3n + 5 = 3.2 + 5 - 5.1n - 3n = 8.2 - 8.1n