130/2=390/x

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Solution for 130/2=390/x equation:



130/2=390/x
We move all terms to the left:
130/2-(390/x)=0
Domain of the equation: x)!=0
x!=0/1
x!=0
x∈R
We add all the numbers together, and all the variables
-(+390/x)+130/2=0
We add all the numbers together, and all the variables
-(+390/x)+65=0
We get rid of parentheses
-390/x+65=0
We multiply all the terms by the denominator
65*x-390=0
We add all the numbers together, and all the variables
65x-390=0
We move all terms containing x to the left, all other terms to the right
65x=390
x=390/65
x=6

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