12k+15=45+2k

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Solution for 12k+15=45+2k equation: 



12k+15=45+2k

We move all terms to the left:

12k+15-(45+2k)=0

We add all the numbers together, and all the variables

12k-(2k+45)+15=0

We get rid of parentheses

12k-2k-45+15=0

We add all the numbers together, and all the variables

10k-30=0

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

10k=30

k=30/10

k=3

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