126=13k-7k

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Solution for 126=13k-7k equation:



126=13k-7k
We move all terms to the left:
126-(13k-7k)=0
We add all the numbers together, and all the variables
-(+6k)+126=0
We get rid of parentheses
-6k+126=0
We move all terms containing k to the left, all other terms to the right
-6k=-126
k=-126/-6
k=+21

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