30+2k+8k=100+3k

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Solution for 30+2k+8k=100+3k equation: 



30+2k+8k=100+3k

We move all terms to the left:

30+2k+8k-(100+3k)=0

We add all the numbers together, and all the variables

2k+8k-(3k+100)+30=0

We add all the numbers together, and all the variables

10k-(3k+100)+30=0

We get rid of parentheses

10k-3k-100+30=0

We add all the numbers together, and all the variables

7k-70=0

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

7k=70

k=70/7

k=10

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