7k=128+3k

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Solution for 7k=128+3k equation: 



7k=128+3k

We move all terms to the left:

7k-(128+3k)=0

We add all the numbers together, and all the variables

7k-(3k+128)=0

We get rid of parentheses

7k-3k-128=0

We add all the numbers together, and all the variables

4k-128=0

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

4k=128

k=128/4

k=32

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