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

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



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

We move all terms to the left:

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

We multiply parentheses

30x-40x+600-600-180=0

We add all the numbers together, and all the variables

-10x-180=0

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

-10x=180

x=180/-10

x=-18

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