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

$4(2x-3)-(x+1)=7x-13$
$4(2x-3)-(x+1)$ First, let's remove the parentheses. Multiply every term on the first parentheses by $4$ and change the sign of every term in the second parentheses: $4(2x-3)-(x+1)=8x-12-x-1=...$ Simplify: $...=7x-13$