Respuesta :

  1. 5+(-7)=5−7=-2
  2. 9+(-5)=9-5=4
  3. (-1)+9=−1+9=8
  4. 9+(-7)=9−7=2
  5. 50+(-7)=50−7=43
  6. 27+(-6)=27-6=21
  7. 1+(-30)=1-30=-29
  8. 15+(-25)=15-25=−10

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)  

- Cutiepatutie ☺❀❤