7^2x+1+4*21^x-3^2x+1=0

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Solution for 7^2x+1+4*21^x-3^2x+1=0 equation: 



7^2x+1+4*21^x-3^2x+1=0

We add all the numbers together, and all the variables

7^2x+4*21^x-3^2x+2=0

Wy multiply elements

7^2x+84x-3^2x+2=0

We add all the numbers together, and all the variables

84x+7^2x-3^2x+2=0

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

84x+7^2x-3^2x=-2

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