4.2/x=9

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Solution for 4.2/x=9 equation:



4.2/x=9
We move all terms to the left:
4.2/x-(9)=0
Domain of the equation: x!=0
x∈R
We multiply all the terms by the denominator
-9*x+4.2=0
We add all the numbers together, and all the variables
-9x+4.2=0
We move all terms containing x to the left, all other terms to the right
-9x=-4.2
x=-4.2/-9
x=3.5/7.5

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