Hi, hope this helps :)
Feel free to ask me if you do not understand. I used the elimination method.
Answer:
I sorry to say but there's not enough information to go of of
Answer: The answer is 6.
The number sentence is
3-3=0
10-4=6
So, 13-7=6
Step-by-step explanation:
To solve
, by making ten
First break 13 and write 
Then break 7 as 
Now to subtract 7 from 13,
Step 1. Subtract 3 (a part of 7), from 3(a part of 13) or cross 3 circles, then we have left 10-4

Step 2. Subtract 4 from 10 or cross 4 circles out of 10, we get 6.
The answer is 6.
Answer:
n = 6
Step-by-step explanation:
2 = 
multiply both sides by 3
=> n = 6