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salantis [7]
3 years ago
12

Nonsense=report Need help pls

Mathematics
1 answer:
Studentka2010 [4]3 years ago
7 0
1. x - 8= 47

47 + 8 = 55

55 = x


2. 7x = 28

28 divided by 7 = 4

x = 4


3. 6x - 5 = 31

31 + 5 = 36

36 divided by 6 = 6

x = 6


4. x + 4 = 12

12 - 4 = 8

x = 8
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