21+1/10y=30

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Solution for 21+1/10y=30 equation: 



21+1/10y=30

We move all terms to the left:

21+1/10y-(30)=0



Domain of the equation: 10y!=0

y!=0/10

y!=0

y∈R



We add all the numbers together, and all the variables

1/10y-9=0

We multiply all the terms by the denominator


-9*10y+1=0

Wy multiply elements

-90y+1=0

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

-90y=-1

y=-1/-90

y=1/90

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