SOLUTION: Please help me solve for x: 4^5x-1=2^4-x
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Question 736411: Please help me solve for x: 4^5x-1=2^4-x
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Assuming the problem is
=
4 can be written as 2^2, therefore we have
=
therefore
2(5x-1) = 4 - x
10x - 2 = 4 - x
10 + x = 4 + 2
11x = 6
x =
:
:
Check this on a calc; 6/11 ~ .545
:
4^(5(.545)-1) ~ 10.93
2^(4-.545) ~ 10.97
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