3k-8=7k+4

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Solution for 3k-8=7k+4 equation: 



3k-8=7k+4

We move all terms to the left:

3k-8-(7k+4)=0

We get rid of parentheses

3k-7k-4-8=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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