SOLUTION: Solve for X
4^3x+5 = 1/256
The answer I get is -3 please correct me if I am wrong and why if you can please.
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Question 688042: Solve for X
4^3x+5 = 1/256
The answer I get is -3 please correct me if I am wrong and why if you can please.
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
4^3x+5 = 1/256
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4^(3x+5) = 2^(8)
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2^(6x+10) = 2^8
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6x + 10 = 8
6x = -2
x = -1/3
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Cheers,
Stan H.
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Answer by MathTherapy(10551) (Show Source): You can put this solution on YOUR website!
Solve for X
4^3x+5 = 1/256
The answer I get is -3 please correct me if I am wrong and why if you can please.
3x + 5 = - 4
3x = - 4 - 5
3x = - 9
, or
You're correct!!! To determine if your answer's correct, just do the check!! I assume you know how to do that!!
Send comments and “thank-yous” to “D” at MathMadEzy@aol.com
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