what is the value of this problem 4^(x-2)-2^x*2 = 0
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4^(x-2)-2^2x=0
2^2x-4=2^2x
2^2x-4-2x=1
2^-4=1
1/16
2^2x-4=2^2x
2^2x-4-2x=1
2^-4=1
1/16
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