## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 12 Sequences and Series - 12.1 Define and Use Sequences and Series - 12.1 Exercises - Mixed Review - Page 800: 75

-3

#### Work Step by Step

Solving the equation for x, we find: $$-3x=9 \\ x=-3$$ Plugging this back in, we verify that this is the correct value.

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