Question

can someone explain to me how to solve -8+(-4)

Answer 1

when you have an opperation as:

$-a+(-b)$

You have to use the next statments:

$+(+b)=+b$$+(-b)=-b$$-(-b)=+b$

You can follow the next image:

Then the answer will be:

$-8+(-4)=-8-4=-12$

The result is - 12