(15-x)/x=10/20

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Solution for (15-x)/x=10/20 equation:



(15-x)/x=10/20
We move all terms to the left:
(15-x)/x-(10/20)=0
Domain of the equation: x!=0
x∈R
We add all the numbers together, and all the variables
(-1x+15)/x-(+10/20)=0
We get rid of parentheses
(-1x+15)/x-10/20=0
We calculate fractions
(-20x+300)/20x+(-10x)/20x=0
We multiply all the terms by the denominator
(-20x+300)+(-10x)=0
We get rid of parentheses
-20x-10x+300=0
We add all the numbers together, and all the variables
-30x+300=0
We move all terms containing x to the left, all other terms to the right
-30x=-300
x=-300/-30
x=+10

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