Question

what must be added to (-56) to get (-21)

Answer 1

-56+x=-21

-56+21=-x

-35=-x

x=35

Answer 2

Hey matè here's ur answēr,

Sol.=>let the no. be be x

now, -56+x=-21

=>x=-21+56

=> x=35

therefore, the no. is 35

Hopè it helps ú