31-2k=6k+7

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Solution for 31-2k=6k+7 equation: 



31-2k=6k+7

We move all terms to the left:

31-2k-(6k+7)=0

We get rid of parentheses

-2k-6k-7+31=0

We add all the numbers together, and all the variables

-8k+24=0

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

-8k=-24

k=-24/-8

k=+3

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