3/4=y/(280-y)

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Solution for 3/4=y/(280-y) equation: 



3/4=y/(280-y)

We move all terms to the left:

3/4-(y/(280-y))=0



Domain of the equation: (280-y))!=0

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

-y)!=-280

y!=-280/1

y!=-280

y∈R



We add all the numbers together, and all the variables

-(y/(-1y+280))+3/4=0

We calculate fractions


(-(y*4)/(-4y)+(-3y)/(-4y)=0



We calculate terms in parentheses: +(-(y*4)/(-4y)+(-3y)/(-4y), so:

-(y*4)/(-4y)+(-3y)/(-4y

We add all the numbers together, and all the variables

-(+y*4)/(-4y)+(-3y)/(-4y

We calculate fractions


(-(+y*4)*(-4y)/((-4y)*(-4y)+((-3y)*(-4y))/((-4y)*(-4y)



We calculate terms in parentheses: +(-(+y*4)*(-4y)/((-4y)*(-4y)+((-3y)*(-4y))/((-4y)*(-4y), so:

-(+y*4)*(-4y)/((-4y)*(-4y)+((-3y)*(-4y))/((-4y)*(-4y

We can not solve this equation

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