1/2y-7=21/2y+1

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Solution for 1/2y-7=21/2y+1 equation: 



1/2y-7=21/2y+1

We move all terms to the left:

1/2y-7-(21/2y+1)=0



Domain of the equation: 2y!=0

y!=0/2

y!=0

y∈R





Domain of the equation: 2y+1)!=0

y∈R



We get rid of parentheses

1/2y-21/2y-1-7=0

We multiply all the terms by the denominator


-1*2y-7*2y+1-21=0

We add all the numbers together, and all the variables

-1*2y-7*2y-20=0

Wy multiply elements

-2y-14y-20=0

We add all the numbers together, and all the variables

-16y-20=0

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

-16y=20

y=20/-16

y=-1+1/4

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