18k+7k+10=20k-20

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Solution for 18k+7k+10=20k-20 equation: 



18k+7k+10=20k-20

We move all terms to the left:

18k+7k+10-(20k-20)=0

We add all the numbers together, and all the variables

25k-(20k-20)+10=0

We get rid of parentheses

25k-20k+20+10=0

We add all the numbers together, and all the variables

5k+30=0

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

5k=-30

k=-30/5

k=-6

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