Question

What is `-5+ ( - 16) + 5+ 8+ 16`?

Answer 1

`8`

Explanation:

Note that adding a negative value is equivalent to `color(blue)"subtracting the value"`

That is : `4+(-2)=4-2=2`

`rArr-5+(-16)+5+8+16" can be expressed as"`

`-5-16+5+8+16`

[Note that `-16+16=0]" etc"`

`=cancelcolor(blue)(-5)cancelcolor(red)(-16)cancelcolor(blue)(+5)+8cancelcolor(red)(+16)`

`=8`