7k-30=2k+10

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Solution for 7k-30=2k+10 equation: 



7k-30=2k+10

We move all terms to the left:

7k-30-(2k+10)=0

We get rid of parentheses

7k-2k-10-30=0

We add all the numbers together, and all the variables

5k-40=0

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

5k=40

k=40/5

k=8

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