16k+21k=7k+84

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Solution for 16k+21k=7k+84 equation: 



16k+21k=7k+84

We move all terms to the left:

16k+21k-(7k+84)=0

We add all the numbers together, and all the variables

37k-(7k+84)=0

We get rid of parentheses

37k-7k-84=0

We add all the numbers together, and all the variables

30k-84=0

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

30k=84

k=84/30

k=2+4/5

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