4^x-3.2^x+3=-128

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Solution for 4^x-3.2^x+3=-128 equation: 



4^x-3.2^x+3=-128

We move all terms to the left:

4^x-3.2^x+3-(-128)=0

We add all the numbers together, and all the variables

4^x-3.2^x+131=0

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

4^x-3.2^x=-131

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