gharrell03
19.09.2019 •
Mathematics
What is the inverse operation to solve n-9=-18
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Ответ:
I am not sure what it is but I think it goes like this:
You would put n minus -18 and get 9 as your answer that way and then you add and subtract to get the answer to n
Ответ:
X=15
Step-by-step explanation:
45+15=60
60/4=15
For more proof V
4x15-15=45
4x15=60
60-15=45