3k+7k-8=12

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Solution for 3k+7k-8=12 equation: 



3k+7k-8=12

We move all terms to the left:

3k+7k-8-(12)=0

We add all the numbers together, and all the variables

10k-20=0

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

10k=20

k=20/10

k=2

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