5^-x=5^3

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Solution for 5^-x=5^3 equation: 



5^-x=5^3

We move all terms to the left:

5^-x-(5^3)=0

We add all the numbers together, and all the variables

-1x-88+4.25352958651E=0

We add all the numbers together, and all the variables

-1x-76.4377078182=0

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

-x=76.4377078182

x=76.4377078182/-1

x=-76+0.4377078182/1

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