4=-8/9+y

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Solution for 4=-8/9+y equation: 



4=-8/9+y

We move all terms to the left:

4-(-8/9+y)=0



Domain of the equation: 9+y)!=0

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

y)!=-9

y!=-9/1

y!=-9

y∈R



We add all the numbers together, and all the variables

-(+y-8/9)+4=0

We get rid of parentheses

-y+4+8/9=0

We multiply all the terms by the denominator


-y*9+8+4*9=0

We add all the numbers together, and all the variables

-y*9+44=0

Wy multiply elements

-9y+44=0

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

-9y=-44

y=-44/-9

y=4+8/9

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