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-0.81=2k+-4.41
We move all terms to the left:
-0.81-(2k+-4.41)=0
We add all the numbers together, and all the variables
-(2k-4.41)-0.81=0
We get rid of parentheses
-2k+4.41-0.81=0
We add all the numbers together, and all the variables
-2k+3.6=0
We move all terms containing k to the left, all other terms to the right
-2k=-3.6
k=-3.6/-2
k=1+1/1.25
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