x/(50+x)=15/45

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Solution for x/(50+x)=15/45 equation: 



x/(50+x)=15/45

We move all terms to the left:

x/(50+x)-(15/45)=0



Domain of the equation: (50+x)!=0

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

x!=-50

x∈R



We add all the numbers together, and all the variables

x/(x+50)-(+15/45)=0

We get rid of parentheses

x/(x+50)-15/45=0

We calculate fractions


45x/(45x+2250)+(-15x-750)/(45x+2250)=0

We multiply all the terms by the denominator


45x+(-15x-750)=0

We get rid of parentheses

45x-15x-750=0

We add all the numbers together, and all the variables

30x-750=0

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

30x=750

x=750/30

x=25

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