22=7+21/2y

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Solution for 22=7+21/2y equation: 



22=7+21/2y

We move all terms to the left:

22-(7+21/2y)=0



Domain of the equation: 2y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(21/2y+7)+22=0

We get rid of parentheses

-21/2y-7+22=0

We multiply all the terms by the denominator


-7*2y+22*2y-21=0

Wy multiply elements

-14y+44y-21=0

We add all the numbers together, and all the variables

30y-21=0

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

30y=21

y=21/30

y=7/10

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