Question

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

Answer 1

`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`