## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter P - Section P.7 - Equations - Exercise Set - Page 106: 53

#### Answer

$\dfrac{1}{2}$

#### Work Step by Step

Subtract $3$ on both sides of the equation to obtain: $|2x-1|=0$ RECALL: $|a|=0 \longrightarrow a=0$ Use the rule above with $a=2x-1$ to obtain: $2x-1 = 0 \\2x = 1 \\x =\frac{1}{2}$ Thus, the solution to the given equation is $\dfrac{1}{2}$.

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