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Solve : 3(n-1)=21

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Solve : 3(n-1)=21

Posted by Uma Yadav 5 years, 3 months ago

CBSE > Class 10 > Mathematics

5 answers

Soumya Singh 5 years, 3 months ago

3(n-1) =21 n-1=21/3 n-1= 7 n= 7+1=8

Umar Farukh 5 years, 3 months ago

8

Yogita Ingle 5 years, 3 months ago

3(n-1)=21

3n - 3 = 21

3n = 21 + 3

3n = 24

n = 24/3 = 8

Gautam Kumar 5 years, 3 months ago

Ans=8

Tanu Man 5 years, 3 months ago

3n-3=21 3n= 21+3 3n= 24 n= 24/3 n= 8

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