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8/x=12=30
We move all terms to the left:
8/x-(12)=0
Domain of the equation: x!=0We multiply all the terms by the denominator
x∈R
-12*x+8=0
We add all the numbers together, and all the variables
-12x+8=0
We move all terms containing x to the left, all other terms to the right
-12x=-8
x=-8/-12
x=2/3
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