7k-12=2k+8

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Solution for 7k-12=2k+8 equation: 



7k-12=2k+8

We move all terms to the left:

7k-12-(2k+8)=0

We get rid of parentheses

7k-2k-8-12=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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