9k-21-18k+8=5-2k+2

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Solution for 9k-21-18k+8=5-2k+2 equation: 



9k-21-18k+8=5-2k+2

We move all terms to the left:

9k-21-18k+8-(5-2k+2)=0

We add all the numbers together, and all the variables

9k-18k-(-2k+7)-21+8=0

We add all the numbers together, and all the variables

-9k-(-2k+7)-13=0

We get rid of parentheses

-9k+2k-7-13=0

We add all the numbers together, and all the variables

-7k-20=0

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

-7k=20

k=20/-7

k=-2+6/7

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