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26.07.2019 •
Mathematics
The product of seven and a number is negative 21. find the number
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Ответ:
-3
Step-by-step explanation:
Let n be the number
product of seven and a number
7n
is negative 21
7n = -21
Divide each side by 7
7n/7 = -21/7
n = -3
The number is -3
Ответ:
Make 3 negative
-3
And 7 times -3 = -21
Ответ:
1 chocolate every 1 hour
Step-by-step explanation:
1 rise 1 run