## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 1, Equations and Inequalities - 1.3 Solve Linear Equations - 1.3 Exercises - Skill Practice - Page 21: 20

#### Answer

$a=11$

#### Work Step by Step

Subtracting 2a+4 from both sides gives $3a-2a+4-4=15+2a-2a-4$ or $a=11$ Plugging in $a=11$ gives $37=37$

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