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How do you solve #6^(8x+8)-7=2#?

1 Answer

Shwetank Mauria

Dec 14, 2016

#x=-0.8467#

Explanation:

#6^(8x+8)-7=2#

#=>6^(8x+8)=2+7=9#

or #8x+8=log9/log6#

or #8x+8=0.9542/0.7781=1.2263#

or #8x=1.2263-8=-6.7737#

i.e. #x=-6.7737/8=-0.8467#

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