Algebra: A Combined Approach (4th Edition)

$5(x+2)-(3x-4)=2x+14$
$5(x+2)-(3x-4)$ To remove the grouping symbols, multiply every term in the first parentheses by $5$ and change the signs of every term in the second parentheses: $5(x+2)-(3x-4)=5x+10-3x+4=...$ Simplify like terms: $...=2x+14$