Can someone explain how they got the answer to this?

Answer:
you need to solve for x.
5x+10=20
-10 -10
5x=10
/5 /5
x=2
Step-by-step explanation:
let me know if this wasn't what you were asking for.
Answer:
x=2
Step-by-step explanation:
5x + 10 = 20
- 10 -10
5x = 10
5x/5 = 10/5
x = 2
hope this helped :)