3k-18=7k+2

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Solution for 3k-18=7k+2 equation: 



3k-18=7k+2

We move all terms to the left:

3k-18-(7k+2)=0

We get rid of parentheses

3k-7k-2-18=0

We add all the numbers together, and all the variables

-4k-20=0

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

-4k=20

k=20/-4

k=-5

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