9+6k=30+7k

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Solution for 9+6k=30+7k equation:



9+6k=30+7k
We move all terms to the left:
9+6k-(30+7k)=0
We add all the numbers together, and all the variables
6k-(7k+30)+9=0
We get rid of parentheses
6k-7k-30+9=0
We add all the numbers together, and all the variables
-1k-21=0
We move all terms containing k to the left, all other terms to the right
-k=21
k=21/-1
k=-21

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