7n+7n+1=56 this is question that n? sovel7 की पावर 10 प्लस में 7 की पावर एंड प्लस वन थ्री ट्वेंटी सिक्स
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Step-by-step explanation:
7n+7n+7= 56
14n=56-7
n=49/14
n= 7/2
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