Y-1=-1/2x

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Solution for Y-1=-1/2x equation: 



-1=-1/2Y

We move all terms to the left:

-1-(-1/2Y)=0



Domain of the equation: 2Y)!=0

Y!=0/1

Y!=0

Y∈R



We get rid of parentheses

1/2Y-1=0

We multiply all the terms by the denominator


-1*2Y+1=0

Wy multiply elements

-2Y+1=0

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

-2Y=-1

Y=-1/-2

Y=1/2

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