30+(2x+20)=180

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Solution for 30+(2x+20)=180 equation: 



30+(2x+20)=180

We move all terms to the left:

30+(2x+20)-(180)=0

We add all the numbers together, and all the variables

(2x+20)-150=0

We get rid of parentheses

2x+20-150=0

We add all the numbers together, and all the variables

2x-130=0

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

2x=130

x=130/2

x=65

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