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30k-68=25k-35
We move all terms to the left:
30k-68-(25k-35)=0
We get rid of parentheses
30k-25k+35-68=0
We add all the numbers together, and all the variables
5k-33=0
We move all terms containing k to the left, all other terms to the right
5k=33
k=33/5
k=6+3/5
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