3k+9=6k+-3

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Solution for 3k+9=6k+-3 equation: 



3k+9=6k+-3

We move all terms to the left:

3k+9-(6k+-3)=0

We add all the numbers together, and all the variables

3k-(6k-3)+9=0

We get rid of parentheses

3k-6k+3+9=0

We add all the numbers together, and all the variables

-3k+12=0

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

-3k=-12

k=-12/-3

k=+4

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