Question

11
11
9. What should be subtracted from
-12
13
to get
7
21
?​

Answer 1

Answer:

You mean what should be subtracted from -1213 to get 721...

Step-by-step explanation:

so first of all, let's assume the other number as x

-1213-(x)=721

Transposition:-

-1213-721=x

-1934=x

-1934 should be subtracted from-1213 to get 721 as an answer