# Chapter 2 - Cumulative Review: 19b

$12x-3$

#### Work Step by Step

The perimeter of a triangle is equal to the sum of the length of each of its three sides. Length of side 1: x Length of side 2: 5x Length of side 3: 6x-3 Perimeter: $(x)+(5x)+(6x-3)=(x+5x+6x)-3=12x-3$

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