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8=x/(x+28)
We move all terms to the left:
8-(x/(x+28))=0
Domain of the equation: (x+28))!=0We multiply all the terms by the denominator
x∈R
-(x+8*(x+28))=0
We calculate terms in parentheses: -(x+8*(x+28)), so:We get rid of parentheses
x+8*(x+28)
We multiply parentheses
x+8x+224
We add all the numbers together, and all the variables
9x+224
Back to the equation:
-(9x+224)
-9x-224=0
We move all terms containing x to the left, all other terms to the right
-9x=224
x=224/-9
x=-24+8/9
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