2k+k+(k-20)=180

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Solution for 2k+k+(k-20)=180 equation: 



2k+k+(k-20)=180

We move all terms to the left:

2k+k+(k-20)-(180)=0

We add all the numbers together, and all the variables

3k+(k-20)-180=0

We get rid of parentheses

3k+k-20-180=0

We add all the numbers together, and all the variables

4k-200=0

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

4k=200

k=200/4

k=50

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