3^-x=0.7

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Solution for 3^-x=0.7 equation: 



3^-x=0.7

We move all terms to the left:

3^-x-(0.7)=0

We add all the numbers together, and all the variables

-1x+0.463463056772=0

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

-x=-0.463463056772

x=-0.463463056772/-1

x=0.463463056772/1

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