9(7k+8)=-21-3k

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Solution for 9(7k+8)=-21-3k equation: 



9(7k+8)=-21-3k

We move all terms to the left:

9(7k+8)-(-21-3k)=0

We add all the numbers together, and all the variables

9(7k+8)-(-3k-21)=0

We multiply parentheses

63k-(-3k-21)+72=0

We get rid of parentheses

63k+3k+21+72=0

We add all the numbers together, and all the variables

66k+93=0

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

66k=-93

k=-93/66

k=-1+9/22

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