1=4+3/7y

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Solution for 1=4+3/7y equation: 



1=4+3/7y

We move all terms to the left:

1-(4+3/7y)=0



Domain of the equation: 7y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(3/7y+4)+1=0

We get rid of parentheses

-3/7y-4+1=0

We multiply all the terms by the denominator


-4*7y+1*7y-3=0

Wy multiply elements

-28y+7y-3=0

We add all the numbers together, and all the variables

-21y-3=0

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

-21y=3

y=3/-21

y=-1/7

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