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4.3/x=-7.8
We move all terms to the left:
4.3/x-(-7.8)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
4.3/x+7.8=0
We multiply all the terms by the denominator
(7.8)*x+4.3=0
We multiply parentheses
7.8x+4.3=0
We move all terms containing x to the left, all other terms to the right
7.8x=-4.3
x=-4.3/7.8
x=-3.3076923076923/6
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