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3^2x+1-4.3^x=-1
We move all terms to the left:
3^2x+1-4.3^x-(-1)=0
We add all the numbers together, and all the variables
3^2x-4.3^x+2=0
We move all terms containing x to the left, all other terms to the right
3^2x-4.3^x=-2
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