Respuesta :
-8 and +8 equal 0 since they cancel out. It's basically 8-8. So that leaves you with 0-(-7). The two negatives make a positive, now you're left with 0+7=7. Your answer is 7. Hope this helps :)
Answer:
[tex]\Huge \boxed{\mathrm{7}}[/tex]
Step-by-step explanation:
[tex](-8)+8-(-7)[/tex]
Distributing the negative sign to the term in the bracket.
[tex]\Rightarrow (-8)+8+7[/tex]
Combining.
[tex]\Rightarrow 7[/tex]