Question

2. Fill in the blanks: (-9) - ……….. = 15

Answer 1

let the number be x

(-9)-(x)=15

x=15+9

x=24

so,(-9)-(-24)=15

Answer 2

let the number be x.

(-9) - (x) =15

(x) = 15+9

(x) = 24

So, (-9) - (-24) = 15