7k-30=15+4k

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Solution for 7k-30=15+4k equation:



7k-30=15+4k
We move all terms to the left:
7k-30-(15+4k)=0
We add all the numbers together, and all the variables
7k-(4k+15)-30=0
We get rid of parentheses
7k-4k-15-30=0
We add all the numbers together, and all the variables
3k-45=0
We move all terms containing k to the left, all other terms to the right
3k=45
k=45/3
k=15

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