0=200-(30+20x)

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Solution for 0=200-(30+20x) equation:



0=200-(30+20x)
We move all terms to the left:
0-(200-(30+20x))=0
We add all the numbers together, and all the variables
-(200-(20x+30))+0=0
We add all the numbers together, and all the variables
-(200-(20x+30))=0
We calculate terms in parentheses: -(200-(20x+30)), so:
200-(20x+30)
determiningTheFunctionDomain -(20x+30)+200
We get rid of parentheses
-20x-30+200
We add all the numbers together, and all the variables
-20x+170
Back to the equation:
-(-20x+170)
We get rid of parentheses
20x-170=0
We move all terms containing x to the left, all other terms to the right
20x=170
x=170/20
x=8+1/2

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