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1000000000000k+9000=1
We move all terms to the left:
1000000000000k+9000-(1)=0
We add all the numbers together, and all the variables
1000000000000k+8999=0
We move all terms containing k to the left, all other terms to the right
1000000000000k=-8999
k=-8999/1000000000000
k=-8999/1000000000000
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