4/x=12.5

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Solution for 4/x=12.5 equation: 



4/x=12.5

We move all terms to the left:

4/x-(12.5)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

4/x-12.5=0

We multiply all the terms by the denominator


-(12.5)*x+4=0

We multiply parentheses

-12.5x+4=0

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

-12.5x=-4

x=-4/-12.5

x=1/3.125

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