3k+30=100+k

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



3k+30=100+k

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3k-k-100+30=0

We add all the numbers together, and all the variables

2k-70=0

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

2k=70

k=70/2

k=35

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