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dusya [7]
3 years ago
8

What is 9+9n=9 show work please

Mathematics
2 answers:
strojnjashka [21]3 years ago
6 0
9 + 9n = 9

*subtract 9 from both sides

9n = 0

*divide both sides by 9

n = 0/9 = 0

n = 0
Trava [24]3 years ago
6 0
9+9n=9\\\\9+9n-9=9-9\\\\9n=0\\\\ 9n:9=0:9\\\\n=0
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Answer:

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Step-by-step explanation:

Let x = age of one of the siblings

Since the age of the siblings are consecutive integers, the age of the next sibling would be x + 1 and the age of the third sibling would be x + 2

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x = 13

The age of the first sibling is 13

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