# Chapter R - Elementary Algebra Review - R.1 Introduction to Algebraic Expressions - R.1 Exercise Set - Page 939: 86

$-2a+14$

#### Work Step by Step

Using $a(b+c)=ab+ac$ (or the Distributive Property), and then combining like terms, the given expression, $2[2a+1-(3a-6)] ,$ simplifies to \begin{array}{l}\require{cancel} 2[2a+1-3a+6] \\\\= 2[-a+7] \\\\= -2a+14 .\end{array}

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