find c alegbra question 162

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If 9 to the power of c = 27 to the power of c-1, what is the value of c?

Oct 18th, 2017

9c=27c-1

9 =32  

27 = 33

Hence

(32)c =27 =( 33)c-1

32c =33c-3

2c=3c-3

2c-3c=-3

-c =-3

C=3


Aug 19th, 2014

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Oct 18th, 2017
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Oct 18th, 2017
Oct 19th, 2017
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