7k+3=45-k

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Solution for 7k+3=45-k equation: 



7k+3=45-k

We move all terms to the left:

7k+3-(45-k)=0

We add all the numbers together, and all the variables

7k-(-1k+45)+3=0

We get rid of parentheses

7k+1k-45+3=0

We add all the numbers together, and all the variables

8k-42=0

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

8k=42

k=42/8

k=5+1/4

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