2^3x+4=4^3x-1. find x
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2^3x+4=4^3x-1
=2^3x+4=(2^2)^3x-1
=2^3x+4=2^6x-2
=3x+4=6x-2
=4+2=6x-3x
=6=3x
=x=6/3=2
Thus, x=2
=2^3x+4=(2^2)^3x-1
=2^3x+4=2^6x-2
=3x+4=6x-2
=4+2=6x-3x
=6=3x
=x=6/3=2
Thus, x=2
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