12=512^x+4

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Solution for 12=512^x+4 equation: 



12=512^x+4

We move all terms to the left:

12-(512^x+4)=0

We get rid of parentheses

-512^x-4+12=0

We add all the numbers together, and all the variables

-512^x+8=0

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

-512^x=-8

x=-8/1

x=-8

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