![solve \: for \: x \: {81}^{ - 2} \div {729}^{1 - x} = {9}^{2x} solve \: for \: x \: {81}^{ - 2} \div {729}^{1 - x} = {9}^{2x}](https://tex.z-dn.net/?f=solve+%5C%3A+for+%5C%3A+x+%5C%3A++%7B81%7D%5E%7B+-+2%7D++%5Cdiv++%7B729%7D%5E%7B1+-+x%7D++%3D+++%7B9%7D%5E%7B2x%7D+)
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x=1/5
hope it helps u
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