12k=20+7k

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Solution for 12k=20+7k equation: 



12k=20+7k

We move all terms to the left:

12k-(20+7k)=0

We add all the numbers together, and all the variables

12k-(7k+20)=0

We get rid of parentheses

12k-7k-20=0

We add all the numbers together, and all the variables

5k-20=0

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

5k=20

k=20/5

k=4

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