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forsale [732]
3 years ago
5

A number plus itself, plus twice itslef, plus 4 times itself, is equal to -104. what is the number?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
8 0
Let's represent this unknown number with the variable 'n'
n + n + 2n + 4n = -104

Explanations:
'n+n' - a number plus itself
'+2n' - plus twice itself
'+4n' - plus 4 times itself


Anyway:
n + n + 2n + 4n = -104
Simplify:
8n = -104
Divide both sides by 8:
n = -13

The number is -13
Good luck! If you need me to explain something in more depth, just ask :))
-T.B.
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