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Mani2019
03.03.2021 •
Mathematics
Which number line can be used to find the distance between (4, -1) and (8, -1)?
-2 -1 0
1
2
3
4
5
6
17
8
-2 -1 0
1
2
3
4
5
6
7
8
NH
-2 -1 0
1
3
4
5
6
7
8
-87 6-5-4-3 -2 -1
0
1
2
Ok
Solved
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Ответ:
lit
Step-by-step explanation:
Ответ:
n=3
Step-by-step explanation:
3n+18=39-4n
-18 -18
3n=21-4n
+4n +4n
7n=21
7/7n=21/7
n=3