1/2y=90

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Solution for 1/2y=90 equation: 



1/2y=90

We move all terms to the left:

1/2y-(90)=0



Domain of the equation: 2y!=0

y!=0/2

y!=0

y∈R



We multiply all the terms by the denominator


-90*2y+1=0

Wy multiply elements

-180y+1=0

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

-180y=-1

y=-1/-180

y=1/180

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