(2^x)-(2^-x)=4

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Solution for (2^x)-(2^-x)=4 equation: 



(2^x)-(2^-x)=4

We move all terms to the left:

(2^x)-(2^-x)-(4)=0

We get rid of parentheses

2^x+x-4-2^=0

We add all the numbers together, and all the variables

x+2^x=0

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