# Chapter 1 - Section 1.4 - Solving Linear Equations - Exercise Set - Page 50: 39

identity

#### Work Step by Step

Distribute 9 then combine like terms on each side to obtain: $5x+9 = 9x+9-4x \\5x+9 = 5x+9$ Subtract $5x$ on both sides of the equation to obtain: $9=9$ This is a true statement therefore the given equation is an identity.

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.