Answer:
[tex]5x - 2[/tex]
Step-by-step explanation:
[tex](x + 5) + (4x - 7)[/tex]
[tex]x + 5 + (4x - 7)[/tex]
[tex]x + 5 + 4x - 7[/tex]
[tex]5x + 5 - 7[/tex]
