sarah5707
01.07.2019 •
Mathematics
When seven times a number is decreased by 3, the result is 39. what is the number?
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Ответ:
7x-3=39
7x=42
x=6
the number is 6
hope this helps
Ответ:
2+5-(3-3)
2+5-0
7-0
7
hope this helps