Question

-27-(-23)
please show the Method also

Answer 1

-27+23.....(- -=+)
-4

Answer 2

firstly u should know this

- x - = +

+ x + = +

+ x - = -

- x + = -

now

-27 (+23) {- x - = +}

-621 {- x + = -}

hope its helpfull...@.@