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69=(42/x)100
We move all terms to the left:
69-((42/x)100)=0
Domain of the equation: x)100)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-((+42/x)100)+69=0
We multiply all the terms by the denominator
-((+42+69*x)100)=0
We calculate terms in parentheses: -((+42+69*x)100), so:We get rid of parentheses
(+42+69*x)100
We add all the numbers together, and all the variables
(69x+42)100
We multiply parentheses
6900x+4200
Back to the equation:
-(6900x+4200)
-6900x-4200=0
We move all terms containing x to the left, all other terms to the right
-6900x=4200
x=4200/-6900
x=-14/23
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