# Chapter 1 - Introduction to Algebraic Expressions - Study Summary - Practice Exercises: 24

$-7c+9d-2$

#### Work Step by Step

By combining like terms, the given expression, $3c+d-10c-2+8d ,$ simplifies to \begin{array}{l}\require{cancel} 3c+d-10c-2+8d \\\\= (3c-10c)+(d+8d)-2 \\\\= -7c+9d-2 .\end{array}

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.