SOLUTION: (4)cubed root of(m-1)=7 i dont know how to write cubed root

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Question 450671: (4)cubed root of(m-1)=7 i dont know how to write cubed root
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
%28%284%293sqrt%28m-1%29%29%5E3+=+%287%29%5E3
cube both sides
64(m-1) = 343
:
Divide both sides by 64
m - 1 = 343%2F64
m - 1 = 5.359375
m = 6.359375
:
:
Check solution on a calc, enter 4(6.359375-1)^(1/3). results: 7