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-18=3k-15k-8
We move all terms to the left:
-18-(3k-15k-8)=0
We add all the numbers together, and all the variables
-(-12k-8)-18=0
We get rid of parentheses
12k+8-18=0
We add all the numbers together, and all the variables
12k-10=0
We move all terms containing k to the left, all other terms to the right
12k=10
k=10/12
k=5/6
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