(3x-20)+(x-9)+(x-1)=180

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Solution for (3x-20)+(x-9)+(x-1)=180 equation: 



(3x-20)+(x-9)+(x-1)=180

We move all terms to the left:

(3x-20)+(x-9)+(x-1)-(180)=0

We get rid of parentheses

3x+x+x-20-9-1-180=0

We add all the numbers together, and all the variables

5x-210=0

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

5x=210

x=210/5

x=42

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