need help 8th grade math

Answer:
Step-by-step explanation: try to get x in one side and the whole number to another side to get x= blank
Answer:
x=0
Step-by-step explanation:
1. add +5 to both sides
2. rewrite equation as 13+x=13
3. subtract -13 to both sides
4. Since they both cancel out again, you're left with 0.
5. x=0