Y=20x-21

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Solution for Y=20x-21 equation: 



=20Y-21

We move all terms to the left:

-(20Y-21)=0

We get rid of parentheses

-20Y+21=0

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

-20Y=-21

Y=-21/-20

Y=1+1/20

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