-2=y/21

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Solution for -2=y/21 equation: 



-2=y/21

We move all terms to the left:

-2-(y/21)=0

We add all the numbers together, and all the variables

-(+y/21)-2=0

We get rid of parentheses

-y/21-2=0

We multiply all the terms by the denominator


-y-2*21=0

We add all the numbers together, and all the variables

-1y-42=0

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

-y=42

y=42/-1

y=-42

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