What was one significant and immediate cause of the Yom Kippur War, also
known as the Ramadan War?

The one significant and immediate cause of the Yom Kippur War is that the Egypt and Syria launched surprise attacks on Israel.

Explanation:

The Yom Kippur War or the Ramadan war is also called as the Arab-Israeli War of 1973. The war held from October 6 to 25, 1973.

Syria, Egypt and their Arab allies planned to attack Israel to get back the existing states of political and social affairs (status quo) from 1967 and they have decided the drag them back to their old borders. This can be quoted as the significant cause of the October war. Syria's aim was to liberate the golden heights with the help of military forces.

Finally, Israel had a stunning victory conquering Egypt's Gaza Strip and 23,500-square-mile Sinai Peninsula and Syria's golden heights.

this is not a question its simply asking you to read and write a few sentences and   the question on the bottom its fairly easy, you can do this!

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: