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