9+2k=18+k

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Solution for 9+2k=18+k equation: 



9+2k=18+k

We move all terms to the left:

9+2k-(18+k)=0

We add all the numbers together, and all the variables

2k-(k+18)+9=0

We get rid of parentheses

2k-k-18+9=0

We add all the numbers together, and all the variables

k-9=0

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

k=9

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