40/2=45/x

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Solution for 40/2=45/x equation: 



40/2=45/x

We move all terms to the left:

40/2-(45/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

-(+45/x)+40/2=0

We add all the numbers together, and all the variables

-(+45/x)+20=0

We get rid of parentheses

-45/x+20=0

We multiply all the terms by the denominator


20*x-45=0

We add all the numbers together, and all the variables

20x-45=0

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

20x=45

x=45/20

x=2+1/4

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