k-2k=k-7-8

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Solution for k-2k=k-7-8 equation: 



k-2k=k-7-8

We move all terms to the left:

k-2k-(k-7-8)=0

We add all the numbers together, and all the variables

k-2k-(k-15)=0

We add all the numbers together, and all the variables

-1k-(k-15)=0

We get rid of parentheses

-1k-k+15=0

We add all the numbers together, and all the variables

-2k+15=0

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

-2k=-15

k=-15/-2

k=7+1/2

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