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64=4^2x-1
We move all terms to the left:
64-(4^2x-1)=0
We get rid of parentheses
-4^2x+1+64=0
We add all the numbers together, and all the variables
-4^2x+65=0
We move all terms containing x to the left, all other terms to the right
-4^2x=-65
x=-65/1
x=-65
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