(20x-9)+(10+9)+90=180

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Solution for (20x-9)+(10+9)+90=180 equation: 



(20x-9)+(10+9)+90=180

We move all terms to the left:

(20x-9)+(10+9)+90-(180)=0

determiningTheFunctionDomain
(20x-9)+90-180+(10+9)=0

We add all the numbers together, and all the variables

(20x-9)+90-180+19=0

We add all the numbers together, and all the variables

(20x-9)-71=0

We get rid of parentheses

20x-9-71=0

We add all the numbers together, and all the variables

20x-80=0

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

20x=80

x=80/20

x=4

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