6(7+3k)+6(-6-6k)=-66

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Solution for 6(7+3k)+6(-6-6k)=-66 equation: 



6(7+3k)+6(-6-6k)=-66

We move all terms to the left:

6(7+3k)+6(-6-6k)-(-66)=0

We add all the numbers together, and all the variables

6(3k+7)+6(-6k-6)-(-66)=0

We add all the numbers together, and all the variables

6(3k+7)+6(-6k-6)+66=0

We multiply parentheses

18k-36k+42-36+66=0

We add all the numbers together, and all the variables

-18k+72=0

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

-18k=-72

k=-72/-18

k=+4

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