7^2r-1=35

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Solution for 7^2r-1=35 equation: 



7^2r-1=35

We move all terms to the left:

7^2r-1-(35)=0

We add all the numbers together, and all the variables

7^2r-36=0

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

7^2r=36

r=36/1

r=36

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