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Is this correct??please tell me

Is this correct??please tell me-example-1
User Kosiek
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2 Answers

2 votes

This is incorrect, 7x4n=28n and -7x6=-42. There is no way to get -182.

User Sergio Belevskij
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6 votes

7(4n-6)= - 182

28n-42= -182

+42 +42

28n/28= -140/28

n= -5

User Saurabh P Bhandari
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