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28/x=4/0.5
We move all terms to the left:
28/x-(4/0.5)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
28/x-8=0
We multiply all the terms by the denominator
-8*x+28=0
We add all the numbers together, and all the variables
-8x+28=0
We move all terms containing x to the left, all other terms to the right
-8x=-28
x=-28/-8
x=3+1/2
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