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-k+3=7k+19
We move all terms to the left:
-k+3-(7k+19)=0
We add all the numbers together, and all the variables
-1k-(7k+19)+3=0
We get rid of parentheses
-1k-7k-19+3=0
We add all the numbers together, and all the variables
-8k-16=0
We move all terms containing k to the left, all other terms to the right
-8k=16
k=16/-8
k=-2
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