1/2y-9=11

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Solution for 1/2y-9=11 equation: 



1/2y-9=11

We move all terms to the left:

1/2y-9-(11)=0



Domain of the equation: 2y!=0

y!=0/2

y!=0

y∈R



We add all the numbers together, and all the variables

1/2y-20=0

We multiply all the terms by the denominator


-20*2y+1=0

Wy multiply elements

-40y+1=0

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

-40y=-1

y=-1/-40

y=1/40

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