2k-3+k=12

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Solution for 2k-3+k=12 equation: 



2k-3+k=12

We move all terms to the left:

2k-3+k-(12)=0

We add all the numbers together, and all the variables

3k-15=0

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

3k=15

k=15/3

k=5

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