# Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Practice and Problem-Solving Exercises - Page 7: 20

$13+2h$

#### Work Step by Step

Twice a number means we multiply the number by 2. After applying this, we are left with the sum of 13 and $2h$ "The sum of" means we add, so we end up with $13+2h$

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