18k+20=20k+20-2k

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Solution for 18k+20=20k+20-2k equation: 



18k+20=20k+20-2k

We move all terms to the left:

18k+20-(20k+20-2k)=0

We add all the numbers together, and all the variables

18k-(18k+20)+20=0

We get rid of parentheses

18k-18k-20+20=0

We add all the numbers together, and all the variables

=0

k=0/1

k=0

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