(x-4)2=1

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Solution for (x-4)2=1 equation: 



(x-4)2=1

We move all terms to the left:

(x-4)2-(1)=0

We multiply parentheses

2x-8-1=0

We add all the numbers together, and all the variables

2x-9=0

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

2x=9

x=9/2

x=4+1/2

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