3x^-3=243

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Solution for 3x^-3=243 equation: 



3x^-3=243

We move all terms to the left:

3x^-3-(243)=0

We add all the numbers together, and all the variables

3x-246=0

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

3x=246

x=246/3

x=82

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