# Chapter 5 - Exponents and Polynomials - Chapters 1-5 Cumulative Review Problem Set: 46

$x=9$

#### Work Step by Step

We isolate the variable on one side of the equation to obtain: $1.6-2.4x=5x-65$ $-2.4x-5x=-65-1.6$ $-2.4x-5x=-65-1.6$ $-7.4x=-66.6$ $x=\frac{-66.6}{-7.4}$ $x=\frac{666}{74}$ $x=9$

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