## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$-2x-7$
Removing the grouping symbols, then the given expression, $(3x+1)-(5x+8)$, is equivalent to \begin{array}{l} 3x+1-5x-8 .\end{array} By combining like terms, then \begin{array}{l} (3x-5x)+(1-8) \\\\= -2x-7 .\end{array}