Respuesta :

16x + 7 is your answer

[tex]\huge\text{Hey there!}[/tex]

[tex]\huge\boxed{\mathsf{9x + 3 + 7x + 4}}\\\huge\boxed{\rm \star COMBINE\ the \ LIKE\ TERMS\star}\\\huge\boxed{\rightarrow\mathsf{(9x + 7x) + (3 + 4)}}\\\huge\boxed{\rightarrow\mathsf{16x + 7}}\\\huge\boxed{\star{\textsf{Answer: 16x + 7}}}\huge\checkmark\\\\\huge\text{Good luck on your assignment \& enjoy your day!}\\\\\\\\\huge\boxed{\frak{Amphitrite1040:)}}[/tex]