-7=-1+-3k

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Solution for -7=-1+-3k equation: 



-7=-1+-3k

We move all terms to the left:

-7-(-1+-3k)=0

We add all the numbers together, and all the variables

-(-3k)-7=0

We get rid of parentheses

3k-7=0

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

3k=7

k=7/3

k=2+1/3

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