## Algebra: A Combined Approach (4th Edition)

$\dfrac{1}{2}(12x-4)-(x+5)=5x-7$
$\dfrac{1}{2}(12x-4)-(x+5)$ Multiply $\dfrac{1}{2}$ by every term inside the first parentheses and change the sign of every term inside the second parentheses: $\dfrac{1}{2}(12x-4)-(x+5)=6x-2-x-5=...$ Simplify like terms: $...=5x-7$