(9x-20=7x+18)=180

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Solution for (9x-20=7x+18)=180 equation: 



(9x-20=7x+18)=180

We move all terms to the left:

(9x-20-(7x+18))=0



We calculate terms in parentheses: +(9x-20-(7x+18)), so:

9x-20-(7x+18)

determiningTheFunctionDomain
9x-(7x+18)-20

We get rid of parentheses

9x-7x-18-20

We add all the numbers together, and all the variables

2x-38

Back to the equation:

+(2x-38)



We get rid of parentheses

2x-38=0

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

2x=38

x=38/2

x=19

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