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Como se hace -8n+7=31
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Como se hace -8n+7=31

User Gato
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1 vote
-8n+7=31
-8n+7-7=31-7
-8n=31-7
-8n=24
-8n÷(-8)=24÷(-8)
n=24÷(-8)
n=-24÷8
n=-3
User Fixpoint
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