Respuesta :
Answer:
3x+8
Step-by-step explanation:
[tex]\left(x+5\right)+\left(2x+3\right)\\\\\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\=x+5+2x+3\\\\\mathrm{Group\:like\:terms}\\=x+2x+5+3\\\\\mathrm{Add\:similar\:elements:}\:x+2x=3x\\=3x+5+3\\\\=3x+8[/tex]