8=2^2x-1

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Solution for 8=2^2x-1 equation: 



8=2^2x-1

We move all terms to the left:

8-(2^2x-1)=0

We get rid of parentheses

-2^2x+1+8=0

We add all the numbers together, and all the variables

-2^2x+9=0

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

-2^2x=-9

x=-9/1

x=-9

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