49^3r+2*343^r+1=49^-3r

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Solution for 49^3r+2*343^r+1=49^-3r equation: 



49^3r+2*343^r+1=49^-3r

We move all terms to the left:

49^3r+2*343^r+1-(49^-3r)=0

Wy multiply elements

49^3r+686r-(49^-3r)+1=0

We get rid of parentheses

49^3r+686r+3r+1-49^=0

We add all the numbers together, and all the variables

689r+49^3r=0

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