8k+30+30-2k+k+5=100

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Solution for 8k+30+30-2k+k+5=100 equation: 



8k+30+30-2k+k+5=100

We move all terms to the left:

8k+30+30-2k+k+5-(100)=0

We add all the numbers together, and all the variables

7k-35=0

We move all terms containing k to the left, all other terms to the right

7k=35

k=35/7

k=5

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