180=142-2(x+9)

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Solution for 180=142-2(x+9) equation: 



180=142-2(x+9)

We move all terms to the left:

180-(142-2(x+9))=0



We calculate terms in parentheses: -(142-2(x+9)), so:

142-2(x+9)

determiningTheFunctionDomain
-2(x+9)+142

We multiply parentheses

-2x-18+142

We add all the numbers together, and all the variables

-2x+124

Back to the equation:

-(-2x+124)



We get rid of parentheses

2x-124+180=0

We add all the numbers together, and all the variables

2x+56=0

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

2x=-56

x=-56/2

x=-28

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