Question

The sum of 12and an unknown number is 33 what is the unknown number?

Answer 1

Let the unknown number be x.
12+x=33
x=21
Hence, the unknown number is 21.

Answer 2

Hi friend,

Let the unknown number be x
The other number is 12 as given.
Sum of the numbers=33

A.T.Q
x+12=33
x=33-12
x=21

CHECK-:

21+12=33

Hence the answer is correct.

Hope it helped you.............
Brainliest pls if my answer helped u.........