2x+(x-9)=180

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Solution for 2x+(x-9)=180 equation: 



2x+(x-9)=180

We move all terms to the left:

2x+(x-9)-(180)=0

We get rid of parentheses

2x+x-9-180=0

We add all the numbers together, and all the variables

3x-189=0

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

3x=189

x=189/3

x=63

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