10k+7=31-2k

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Solution for 10k+7=31-2k equation: 



10k+7=31-2k

We move all terms to the left:

10k+7-(31-2k)=0

We add all the numbers together, and all the variables

10k-(-2k+31)+7=0

We get rid of parentheses

10k+2k-31+7=0

We add all the numbers together, and all the variables

12k-24=0

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

12k=24

k=24/12

k=2

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