How did the Black Death arrive in Europe? How did it spread? Why was it called the Black Death?

Answer, Explanation: The Black Death arrived in Europe from the traders and merchants who went to China to get goods. Hope this helps!

The plague arrived in Europe in October 1347, when 12 ships from the Black Sea docked at the Sicilian port of Messina.  The Black Death was in large part spread by human fleas. The Black Death earned its name from a symptom: lymph nodes that became blackened and swollen after bacteria entered through the skin.

Explanation:

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation: