21=1/4y+19

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Solution for 21=1/4y+19 equation: 



21=1/4y+19

We move all terms to the left:

21-(1/4y+19)=0



Domain of the equation: 4y+19)!=0

y∈R



We get rid of parentheses

-1/4y-19+21=0

We multiply all the terms by the denominator


-19*4y+21*4y-1=0

Wy multiply elements

-76y+84y-1=0

We add all the numbers together, and all the variables

8y-1=0

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

8y=1

y=1/8

y=1/8

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