7k+3=8k-4

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



7k+3=8k-4

We move all terms to the left:

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

We get rid of parentheses

7k-8k+4+3=0

We add all the numbers together, and all the variables

-1k+7=0

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

-k=-7

k=-7/-1

k=+7

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