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180=30+x+(150-x)
We move all terms to the left:
180-(30+x+(150-x))=0
We add all the numbers together, and all the variables
-(30+x+(-1x+150))+180=0
We calculate terms in parentheses: -(30+x+(-1x+150)), so:We add all the numbers together, and all the variables
30+x+(-1x+150)
determiningTheFunctionDomain x+(-1x+150)+30
We get rid of parentheses
x-1x+150+30
We add all the numbers together, and all the variables
180
Back to the equation:
-(180)
=0
x=0/1
x=0
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