7k+25=81

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Solution for 7k+25=81 equation: 



7k+25=81

We move all terms to the left:

7k+25-(81)=0

We add all the numbers together, and all the variables

7k-56=0

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

7k=56

k=56/7

k=8

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