7k-20=7k-12

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Solution for 7k-20=7k-12 equation: 



7k-20=7k-12

We move all terms to the left:

7k-20-(7k-12)=0

We get rid of parentheses

7k-7k+12-20=0

We add all the numbers together, and all the variables

-8!=0

There is no solution for this equation

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