SOLUTION: please help me to solve 1/3 = 4/n-1

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Question 530349: please help me to solve 1/3 = 4/n-1
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
1/3 = 4/(n-1)


1(n-1) = 4*3


1(n-1) = 12


n-1 = 12


n = 12+1


n = 13


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