what is 12y 8 23=15y-23 23

Mathematics
Tutor: None Selected Time limit: 1 Day

This is a math problem and I am trying to solve that question to figure out how to do the rest.

Sep 10th, 2015

Hi there! Thank you for the opportunity to help you with your question!

You are probably missing some operations (where are exponents, additions, subtractions?)

Please write "^" to indicate exponentiation, and "+", "-", "*", "/" to indicate other operations.

Assuming you mean 12y^8 + 23 = 15y^(-23)+23 then subtracting 23 from both sides:

12y^8  = 15y^-23

Multiplying both sides by y^23, and dividing both sides by 12

y^(31) = 15/12

y =  (15/12)^(1/31)

Please let me know if you need any clarification. Always glad to help!
Sep 10th, 2015

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