The Pappas family has two cats, Zeus and Athena. Together they weigh twenty pounds. Zeus weighs 14 pounds. How much does Athena weigh?

Write an algebraic equation that represents the situation, use `a` (Athena's weight) for your variable.  

Athena weighs pounds.

Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Be sure your variables match those in the question

Box 2: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity