-21=-3/2y

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Solution for -21=-3/2y equation: 



-21=-3/2y

We move all terms to the left:

-21-(-3/2y)=0



Domain of the equation: 2y)!=0

y!=0/1

y!=0

y∈R



We get rid of parentheses

3/2y-21=0

We multiply all the terms by the denominator


-21*2y+3=0

Wy multiply elements

-42y+3=0

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

-42y=-3

y=-3/-42

y=1/14

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