# Chapter 1 - Introduction to Algebraic Expressions - 1.8 Exponential Notation and Order of Operations - 1.8 Exercise Set: 99

$2x-7$

#### Work Step by Step

By removing the grouping symbol and combining like terms, the given expression, $8x-(6x+7)$, simplifies to \begin{array}{l}\require{cancel} 8x-6x-7 \\\\= 2x-7 .\end{array}

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