SOLUTION: (2x+5)^-1=(x+4)^-1

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Question 260331: (2x+5)^-1=(x+4)^-1
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
The original problem is
%282x%2B5%29%5E-1=%28x%2B4%29%5E-1
since they are both to the -1 power, step 1 - raise them both to the 1st power and we get
2x%2B5+=+x+%2B+4
subtract x to get
x+%2B+5+=+4
subtract 5 to get
x+=+-1