40k=80/81

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Solution for 40k=80/81 equation: 



40k=80/81

We move all terms to the left:

40k-(80/81)=0

We add all the numbers together, and all the variables

40k-(+80/81)=0

We get rid of parentheses

40k-80/81=0

We multiply all the terms by the denominator


40k*81-80=0

Wy multiply elements

3240k-80=0

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

3240k=80

k=80/3240

k=2/81

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