3k+4k=-12+3k

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Solution for 3k+4k=-12+3k equation: 



3k+4k=-12+3k

We move all terms to the left:

3k+4k-(-12+3k)=0

We add all the numbers together, and all the variables

3k+4k-(3k-12)=0

We add all the numbers together, and all the variables

7k-(3k-12)=0

We get rid of parentheses

7k-3k+12=0

We add all the numbers together, and all the variables

4k+12=0

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

4k=-12

k=-12/4

k=-3

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