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(2x-30)=2(30)
We move all terms to the left:
(2x-30)-(2(30))=0
determiningTheFunctionDomain (2x-30)-230=0
We get rid of parentheses
2x-30-230=0
We add all the numbers together, and all the variables
2x-260=0
We move all terms containing x to the left, all other terms to the right
2x=260
x=260/2
x=130
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