A question what reading are you talking about?
Answer:
The 1919 Treaty of Paris ended World War I, but imposed heavy penalties on ... When Adolf Hitler came to power in Germany in 1934, his government began to ... How did Wilson's Fourteen Points influence the terms of the Treaty of Versailles? .... the US is able to pull other countries into its own international conflicts, and it ...
Explanation:
An element <u>period </u>is its row in the periodic table.
First add 4x and 2x because they are like terms.
Then you get 6x=18.
Divide 6 from 18 to get 3.
So x=3.