7k+2=2k+12

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



7k+2=2k+12

We move all terms to the left:

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

We get rid of parentheses

7k-2k-12+2=0

We add all the numbers together, and all the variables

5k-10=0

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

5k=10

k=10/5

k=2

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