18.3-42.8=8.1k-7.k

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Solution for 18.3-42.8=8.1k-7.k equation: 



18.3-42.8=8.1k-7.k

We move all terms to the left:

18.3-42.8-(8.1k-7.k)=0

We add all the numbers together, and all the variables

-(+1.1k)+18.3-42.8=0

We add all the numbers together, and all the variables

-(+1.1k)-24.5=0

We get rid of parentheses

-1.1k-24.5=0

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

-1.1k=24.5

k=24.5/-1.1

k=-22+0.3/1.1

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