5k+7=7k-5

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Solution for 5k+7=7k-5 equation: 



5k+7=7k-5

We move all terms to the left:

5k+7-(7k-5)=0

We get rid of parentheses

5k-7k+5+7=0

We add all the numbers together, and all the variables

-2k+12=0

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

-2k=-12

k=-12/-2

k=+6

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