7k+(k+8)+2k=48

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Solution for 7k+(k+8)+2k=48 equation: 



7k+(k+8)+2k=48

We move all terms to the left:

7k+(k+8)+2k-(48)=0

We add all the numbers together, and all the variables

9k+(k+8)-48=0

We get rid of parentheses

9k+k+8-48=0

We add all the numbers together, and all the variables

10k-40=0

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

10k=40

k=40/10

k=4

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