Please help me!! Will mark as the brainliest!!

Answer:
10
Step-by-step explanation:
Use the number line and count how many numbers from 7 until you get to -3
Answer:
10
Step-by-step explanation:
Imagine it being -3=7-x
-3=7-x
Add x to both sides:
x-3=7
Add 3 on both sides:
x-3+3=7+3
x=10