Solve for x. 4^3x-1=24

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Rod · Answer 1 · 2015-12-14T22:05:01+0000

4^(3x-1)=24; (3x-1)log4=log24; 3x-1=log24/log4; x=(1/3)(1+log24/log4)=1.0975 approx.

muneepenee · Answer 2 · 2015-12-14T22:17:14+0000

4^(3x)=25

log[4^(3x)]=log(25)

3x*log(4)=log(25)

if yuze log10, 3x*0.6020599913279654=1.3979400086720443

3x=1.3979400086720443/0.6020599913279654

3x=2.321928094887362

x=0.7739760316291

Solve for x. 4^3x-1=24

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