Respuesta :

Answer:

x=13

Step-by-step explanation:

1. Add 3 to both sides

3 cancels out on the left side because when you add 3 to -3, it equals 0.

2. 3 + 10 = 13

3. x=13

Answer:

13

Step-by-step explanation:

13-3= 10

I hope this helped you! :)