Question

find (b)50-(-40)-(-2)​

Answer 1

50-(-40)-(-20)

50+40+20

110

This is the answer of this

I hope this will help you

Answer 2

The sign of bracket changes while opening the bracket when a negative sign is placed just before that.

Eg. (50) -(60) =50-60

BUT 50-(-60) =50+60

SO,

=50+40+2

90+2

92.