-3k+7=k-5k

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Solution for -3k+7=k-5k equation: 



-3k+7=k-5k

We move all terms to the left:

-3k+7-(k-5k)=0

We add all the numbers together, and all the variables

-3k-(-4k)+7=0

We get rid of parentheses

-3k+4k+7=0

We add all the numbers together, and all the variables

k+7=0

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

k=-7

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