Answer:
Well, when adding and subtracting negatives
You can change the symbol and positive or negative of the second number like
2 + (-1) is equal to 2 - 1
So
23 + 20 = 43
Therefore, 23 -(-23) = 43 because when you take away a debt you add to your balance.
Answer:the answere is 3/40 I hope this help
Step-by-step explanation:
Answer: tye
Step-by-step explanation:
A)
Kim's age=k
Sister's age=s
k=2s
k+s=36
b)
k=2s
k+s=36
k=36-s
2s=36-s
3s=36
s=12
12*2=24
Kim is 24 and her sister is 12
Hope this helps :)
