3k+7=7k+113k+7=7k+11

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Solution for 3k+7=7k+113k+7=7k+11 equation: 



3k+7=7k+113k+7=7k+11

We move all terms to the left:

3k+7-(7k+113k+7)=0

We add all the numbers together, and all the variables

3k-(120k+7)+7=0

We get rid of parentheses

3k-120k-7+7=0

We add all the numbers together, and all the variables

-117k=0

k=0/-117

k=0

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