SOLUTION: I have no idea of what to do with this problem. I tried mult both sides by 4 and also tried to get rid of the exponent. Please help! 4^(5-3x)=1/256 Thank you so much.

SOLUTION: I have no idea of what to do with this problem. I tried mult both sides by 4 and also tried to get rid of the exponent. Please help! 4^(5-3x)=1/256 Thank you so much.

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Question 46800: I have no idea of what to do with this problem. I tried mult both sides by 4 and also tried to get rid of the exponent. Please help!
4^(5-3x)=1/256
Thank you so much.
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!

.
.
Working within the exponent:
Solve 9-3x=0
-3x=-9
x=3
.
.
Plug-in (x=3) back into the original equation and solve:

[Checks out]

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