[ Answer ]
[tex]\boxed{4x \ + \ 3}[/tex]
[ Explanation ]
(7x + 5) - (3x + 2)
Remove Parenthesis
7x + 5 - (3x + 2)
-(3x + 2): -3x - 2
7x + 5 - 3x - 2
Simplify: 7x + 5 - 3x - 2: 4x + 3
= 4x + 3
[tex]\boxed{[ \ Eclipsed \ ]}[/tex]