2x+(x-20)=180

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



2x+(x-20)=180

We move all terms to the left:

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

We get rid of parentheses

2x+x-20-180=0

We add all the numbers together, and all the variables

3x-200=0

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

3x=200

x=200/3

x=66+2/3

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