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2400/x=8
We move all terms to the left:
2400/x-(8)=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
-8*x+2400=0
We add all the numbers together, and all the variables
-8x+2400=0
We move all terms containing x to the left, all other terms to the right
-8x=-2400
x=-2400/-8
x=+300
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