7(2k-5)=28-7k

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Solution for 7(2k-5)=28-7k equation: 



7(2k-5)=28-7k

We move all terms to the left:

7(2k-5)-(28-7k)=0

We add all the numbers together, and all the variables

7(2k-5)-(-7k+28)=0

We multiply parentheses

14k-(-7k+28)-35=0

We get rid of parentheses

14k+7k-28-35=0

We add all the numbers together, and all the variables

21k-63=0

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

21k=63

k=63/21

k=3

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