800-2x=500-(300-x)

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Solution for 800-2x=500-(300-x) equation: 



800-2x=500-(300-x)

We move all terms to the left:

800-2x-(500-(300-x))=0

We add all the numbers together, and all the variables

-2x-(500-(-1x+300))+800=0



We calculate terms in parentheses: -(500-(-1x+300)), so:

500-(-1x+300)

determiningTheFunctionDomain
-(-1x+300)+500

We get rid of parentheses

1x-300+500

We add all the numbers together, and all the variables

x+200

Back to the equation:

-(x+200)



We get rid of parentheses

-2x-x-200+800=0

We add all the numbers together, and all the variables

-3x+600=0

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

-3x=-600

x=-600/-3

x=+200

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