Respuesta :

The answer is A. Because if you subtract 3 from 23 it will be 20 and 20 divided by 2 is 10
Mocimoco

Answer:

-17

Step-by-step explanation:

1) rewrite: (3 - n) divided by 2 = 10

2) Multiply both sides: (3-n)/ 2 = 10

3) move constant to the right: 3 - n = 20

4) calculate: -n = 20 - 3 then, -n = 17

5) change signs: n = -17

Hope this helped and wasn’t confusing, good luck! :)