27/x=31.2/7.8

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Solution for 27/x=31.2/7.8 equation: 



27/x=31.2/7.8

We move all terms to the left:

27/x-(31.2/7.8)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

27/x-4=0

We multiply all the terms by the denominator


-4*x+27=0

We add all the numbers together, and all the variables

-4x+27=0

We move all terms containing x to the left, all other terms to the right

-4x=-27

x=-27/-4

x=6+3/4

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