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k+64.09=71.8k=
We move all terms to the left:
k+64.09-(71.8k)=0
We add all the numbers together, and all the variables
k-(+71.8k)+64.09=0
We get rid of parentheses
k-71.8k+64.09=0
We add all the numbers together, and all the variables
-70.8k+64.09=0
We move all terms containing k to the left, all other terms to the right
-70.8k=-64.09
k=-64.09/-70.8
k=30.665071770335/33.875598086124
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