What is one subject pronoun that can match with Es

Words to ask what others like to do in spanish

Okay so i'm taking an online spanish course (penn foster), and in the study guide, you have to create a bunch of sentences with words you've learned so far. translating, reading, and those kinds of things are fairly easy, but when it comes to making my own sentences, my brain just kinda waltz's away. anyone got any tips?

Solve for x: log(x + 3) - log x = 2