2^(x+1)+2^(x)+2^(x-1)-(28)=0

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Solution for 2^(x+1)+2^(x)+2^(x-1)-(28)=0 equation: 



2^(x+1)+2^(x)+2^(x-1)-(28)=0

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

2^(x+1)+2^x+2^(x-1)=28

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