(3x-10)+(2x+20)+90=180

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Solution for (3x-10)+(2x+20)+90=180 equation: 



(3x-10)+(2x+20)+90=180

We move all terms to the left:

(3x-10)+(2x+20)+90-(180)=0

We add all the numbers together, and all the variables

(3x-10)+(2x+20)-90=0

We get rid of parentheses

3x+2x-10+20-90=0

We add all the numbers together, and all the variables

5x-80=0

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

5x=80

x=80/5

x=16

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