2x=180-(90-x)-(90-x)

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Solution for 2x=180-(90-x)-(90-x) equation: 



2x=180-(90-x)-(90-x)

We move all terms to the left:

2x-(180-(90-x)-(90-x))=0

We add all the numbers together, and all the variables

2x-(180-(-1x+90)-(-1x+90))=0



We calculate terms in parentheses: -(180-(-1x+90)-(-1x+90)), so:

180-(-1x+90)-(-1x+90)

determiningTheFunctionDomain
-(-1x+90)-(-1x+90)+180

We get rid of parentheses

1x+1x-90-90+180

We add all the numbers together, and all the variables

2x

Back to the equation:

-(2x)



We add all the numbers together, and all the variables

=0

x=0/1

x=0

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