7k-7=6k-12

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Solution for 7k-7=6k-12 equation: 



7k-7=6k-12

We move all terms to the left:

7k-7-(6k-12)=0

We get rid of parentheses

7k-6k+12-7=0

We add all the numbers together, and all the variables

k+5=0

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

k=-5

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