(3x)^-2=9

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Solution for (3x)^-2=9 equation: 



(3x)^-2=9

We move all terms to the left:

(3x)^-2-(9)=0

We add all the numbers together, and all the variables

3x-11=0

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

3x=11

x=11/3

x=3+2/3

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