7=8^x-2

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Solution for 7=8^x-2 equation: 



7=8^x-2

We move all terms to the left:

7-(8^x-2)=0

We get rid of parentheses

-8^x+2+7=0

We add all the numbers together, and all the variables

-8^x+9=0

We move all terms containing x to the left, all other terms to the right

-8^x=-9

x=-9/1

x=-9

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