139=7k-10+5k

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Solution for 139=7k-10+5k equation: 



139=7k-10+5k

We move all terms to the left:

139-(7k-10+5k)=0

We add all the numbers together, and all the variables

-(12k-10)+139=0

We get rid of parentheses

-12k+10+139=0

We add all the numbers together, and all the variables

-12k+149=0

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

-12k=-149

k=-149/-12

k=12+5/12

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