Try another version of this question DeAndre and Kaden are roommates. Together they have one hundred twenty-one books. If DeAndre has 39 books, how many does Kaden have? Write an algebraic equation that represents the situation, use `x` for your variable.
Kaden has books. Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Be sure your variables match those in the question `x+39 = 121`
Enter DNE for Does Not Exist, oo for Infinity 82